glClear: invalid framebuffer operation on statusbar expose

[guvenerzt@…]

The following bug report has been submitted:
Platform:        macOS-26.2-arm64-arm-64bit
ChimeraX Version: 1.11.1 (2026-01-23 05:51:34 UTC)
Description
Replace this text with list of actions that caused this problem to occur

Log:
Startup Messages  
---  
note | available bundle cache has not been initialized yet  
  
You can double click a model's Name or ID in the model panel to edit those
fields  
UCSF ChimeraX version: 1.11.1 (2026-01-23)  
© 2016-2025 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> help help:quickstart

[Repeated 1 time(s)]

> open
> /Users/zehraguvener/Desktop/HTGAA_2026/HTGAA_ZTG/HTGAA_final_project/materials/FRIH_structure_5N27/5N27.cif

Summary of feedback from opening
/Users/zehraguvener/Desktop/HTGAA_2026/HTGAA_ZTG/HTGAA_final_project/materials/FRIH_structure_5N27/5N27.cif  
---  
notes | Fetching CCD CL from https://files.wwpdb.org/pub/pdb/refdata/chem_comp/L/CL/CL.cif  
Fetching CCD MG from
https://files.wwpdb.org/pub/pdb/refdata/chem_comp/G/MG/MG.cif  
  
5N27.cif title:  
X-ray structure of human heavy chain ferritin (apo form) [more info...]  
  
Chain information for 5N27.cif #1  
---  
Chain | Description | UniProt  
A | Ferritin heavy chain | FRIH_HUMAN 1-182  
  
Non-standard residues in 5N27.cif #1  
---  
CL — chloride ion  
MG — magnesium ion  
  
5N27.cif mmCIF Assemblies  
---  
1| author_defined_assembly  
  
165 atoms have alternate locations. Control/examine alternate locations with
Altloc Explorer [start tool...] or the altlocs command.  

> sym #1 assembly 1

Made 24 graphical clones for 5N27.cif assembly 1  

> combine #2 name ferritin_24mer

Remapping chain ID 'A' in 5N27.cif 2 #2.2 to 'B'  
Remapping chain ID 'A' in 5N27.cif 3 #2.3 to 'C'  
Remapping chain ID 'A' in 5N27.cif 4 #2.4 to 'D'  
Remapping chain ID 'A' in 5N27.cif 5 #2.5 to 'E'  
Remapping chain ID 'A' in 5N27.cif 6 #2.6 to 'F'  
Remapping chain ID 'A' in 5N27.cif 7 #2.7 to 'G'  
Remapping chain ID 'A' in 5N27.cif 8 #2.8 to 'H'  
Remapping chain ID 'A' in 5N27.cif 9 #2.9 to 'I'  
Remapping chain ID 'A' in 5N27.cif 10 #2.10 to 'J'  
Remapping chain ID 'A' in 5N27.cif 11 #2.11 to 'K'  
Remapping chain ID 'A' in 5N27.cif 12 #2.12 to 'L'  
Remapping chain ID 'A' in 5N27.cif 13 #2.13 to 'M'  
Remapping chain ID 'A' in 5N27.cif 14 #2.14 to 'N'  
Remapping chain ID 'A' in 5N27.cif 15 #2.15 to 'O'  
Remapping chain ID 'A' in 5N27.cif 16 #2.16 to 'P'  
Remapping chain ID 'A' in 5N27.cif 17 #2.17 to 'Q'  
Remapping chain ID 'A' in 5N27.cif 18 #2.18 to 'R'  
Remapping chain ID 'A' in 5N27.cif 19 #2.19 to 'S'  
Remapping chain ID 'A' in 5N27.cif 20 #2.20 to 'T'  
Remapping chain ID 'A' in 5N27.cif 21 #2.21 to 'U'  
Remapping chain ID 'A' in 5N27.cif 22 #2.22 to 'V'  
Remapping chain ID 'A' in 5N27.cif 23 #2.23 to 'W'  
Remapping chain ID 'A' in 5N27.cif 24 #2.24 to 'X'  

> hide #!2 models

> hide #1,2

[Repeated 1 time(s)]

> save ferritin_cage.pdb models #3

> surface #3

> open
> /Users/zehraguvener/Desktop/HTGAA_2026/HTGAA_ZTG/HTGAA_final_project/materials/AphaFold3/fold_frih_seq20_only/fold_frih_seq20_only_model_0.cif

Chain information for fold_frih_seq20_only_model_0.cif #4  
---  
Chain | Description  
A | .  
B | .  
  
Computing secondary structure  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/triggerset.py", line 149, in invoke  
return self._func(self._name, data)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2808, in res_hover  
_residue_mouse_hover(pick, session.logger)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2801, in _residue_mouse_hover  
log.status("chain %s: %s" % (chain.chain_id, chain.description))  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 522, in status  
StatusLogger.status(self, msg, **kw)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 220, in status  
if l.status(msg, color, secondary) and getattr(  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/gui.py", line 1133, in status  
sbar.status(msg, color, secondary)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
Error processing trigger "mouse hover":  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/triggerset.py", line 149, in invoke  
return self._func(self._name, data)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2808, in res_hover  
_residue_mouse_hover(pick, session.logger)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2801, in _residue_mouse_hover  
log.status("chain %s: %s" % (chain.chain_id, chain.description))  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 522, in status  
StatusLogger.status(self, msg, **kw)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 220, in status  
if l.status(msg, color, secondary) and getattr(  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/gui.py", line 1133, in status  
sbar.status(msg, color, secondary)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
Error processing trigger "mouse hover":  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/triggerset.py", line 149, in invoke  
return self._func(self._name, data)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2808, in res_hover  
_residue_mouse_hover(pick, session.logger)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2801, in _residue_mouse_hover  
log.status("chain %s: %s" % (chain.chain_id, chain.description))  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 522, in status  
StatusLogger.status(self, msg, **kw)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 220, in status  
if l.status(msg, color, secondary) and getattr(  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/gui.py", line 1133, in status  
sbar.status(msg, color, secondary)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
Error processing trigger "mouse hover":  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/triggerset.py", line 149, in invoke  
return self._func(self._name, data)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2808, in res_hover  
_residue_mouse_hover(pick, session.logger)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2801, in _residue_mouse_hover  
log.status("chain %s: %s" % (chain.chain_id, chain.description))  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 522, in status  
StatusLogger.status(self, msg, **kw)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 220, in status  
if l.status(msg, color, secondary) and getattr(  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/gui.py", line 1133, in status  
sbar.status(msg, color, secondary)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
Error processing trigger "mouse hover":  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/triggerset.py", line 149, in invoke  
return self._func(self._name, data)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2808, in res_hover  
_residue_mouse_hover(pick, session.logger)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2801, in _residue_mouse_hover  
log.status("chain %s: %s" % (chain.chain_id, chain.description))  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 522, in status  
StatusLogger.status(self, msg, **kw)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 220, in status  
if l.status(msg, color, secondary) and getattr(  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/gui.py", line 1133, in status  
sbar.status(msg, color, secondary)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
Error processing trigger "mouse hover":  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/triggerset.py", line 149, in invoke  
return self._func(self._name, data)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2808, in res_hover  
_residue_mouse_hover(pick, session.logger)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2801, in _residue_mouse_hover  
log.status("chain %s: %s" % (chain.chain_id, chain.description))  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 522, in status  
StatusLogger.status(self, msg, **kw)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 220, in status  
if l.status(msg, color, secondary) and getattr(  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/gui.py", line 1133, in status  
sbar.status(msg, color, secondary)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
Error processing trigger "mouse hover":  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/triggerset.py", line 149, in invoke  
return self._func(self._name, data)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2808, in res_hover  
_residue_mouse_hover(pick, session.logger)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2801, in _residue_mouse_hover  
log.status("chain %s: %s" % (chain.chain_id, chain.description))  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 522, in status  
StatusLogger.status(self, msg, **kw)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 220, in status  
if l.status(msg, color, secondary) and getattr(  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/gui.py", line 1133, in status  
sbar.status(msg, color, secondary)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
Error processing trigger "mouse hover":  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/triggerset.py", line 149, in invoke  
return self._func(self._name, data)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2808, in res_hover  
_residue_mouse_hover(pick, session.logger)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2801, in _residue_mouse_hover  
log.status("chain %s: %s" % (chain.chain_id, chain.description))  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 522, in status  
StatusLogger.status(self, msg, **kw)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 220, in status  
if l.status(msg, color, secondary) and getattr(  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/gui.py", line 1133, in status  
sbar.status(msg, color, secondary)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
Error processing trigger "mouse hover":  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/triggerset.py", line 149, in invoke  
return self._func(self._name, data)  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2808, in res_hover  
_residue_mouse_hover(pick, session.logger)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/atomic/structure.py", line 2801, in _residue_mouse_hover  
log.status("chain %s: %s" % (chain.chain_id, chain.description))  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 522, in status  
StatusLogger.status(self, msg, **kw)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/logger.py", line 220, in status  
if l.status(msg, color, secondary) and getattr(  
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/gui.py", line 1133, in status  
sbar.status(msg, color, secondary)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
Error processing trigger "mouse hover":  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  
Traceback (most recent call last):  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 98, in _expose_event  
self.status(self._last_message, self._last_color)  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/ui/statusbar.py", line 164, in status  
r.draw_background()  
File
"/Applications/ChimeraX-1.11.1.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/graphics/opengl.py", line 1238, in draw_background  
GL.glClear(flags)  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
OpenGL.error.GLError: GLError(  
err = 1286,  
description = b'invalid framebuffer operation',  
baseOperation = glClear,  
cArguments = (16640,)  
)  
  
File "src/errorchecker.pyx", line 59, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError  
  
See log for complete Python traceback.  
  




OpenGL version: 4.1 Metal - 90.5
OpenGL renderer: Apple M2 Pro
OpenGL vendor: Apple

Python: 3.11.9
Locale: en_US.UTF-8
Qt version: PyQt6 6.9.1, Qt 6.9.0
Qt runtime version: 6.9.2
Qt platform: cocoa
Hardware:

    Hardware Overview:

      Model Name: MacBook Pro
      Model Identifier: Mac14,9
      Model Number: MPHE3LL/A
      Chip: Apple M2 Pro
      Total Number of Cores: 10 (6 performance and 4 efficiency)
      Memory: 16 GB
      System Firmware Version: 13822.61.10
      OS Loader Version: 13822.61.10

Software:

    System Software Overview:

      System Version: macOS 26.2 (25C56)
      Kernel Version: Darwin 25.2.0
      Time since boot: 67 days, 12 hours, 33 minutes

Graphics/Displays:

    Apple M2 Pro:

      Chipset Model: Apple M2 Pro
      Type: GPU
      Bus: Built-In
      Total Number of Cores: 16
      Vendor: Apple (0x106b)
      Metal Support: Metal 4
      Displays:
        U32J59x:
          Resolution: 5120 x 2880 (5K/UHD+ - Ultra High Definition Plus)
          UI Looks like: 2560 x 1440 @ 60.00Hz
          Main Display: Yes
          Mirror: Off
          Online: Yes
          Rotation: Supported


Installed Packages:
    aiohappyeyeballs: 2.6.1
    aiohttp: 3.13.1
    aiosignal: 1.4.0
    alabaster: 1.0.0
    annotated-types: 0.7.0
    anyio: 4.12.1
    appdirs: 1.4.4
    appnope: 0.1.4
    asttokens: 3.0.1
    attrs: 25.4.0
    babel: 2.17.0
    beautifulsoup4: 4.13.5
    blockdiag: 3.0.0
    blosc2: 3.12.2
    build: 1.3.0
    certifi: 2025.7.14
    cftime: 1.6.5
    charset-normalizer: 3.4.4
    ChimeraX-AddCharge: 1.5.20
    ChimeraX-AddH: 2.2.8
    ChimeraX-AlignmentAlgorithms: 2.0.2
    ChimeraX-AlignmentHdrs: 3.6.1
    ChimeraX-AlignmentMatrices: 2.1
    ChimeraX-Alignments: 3.1.1
    ChimeraX-AlphaFold: 1.0.1
    ChimeraX-AltlocExplorer: 1.2
    ChimeraX-AmberInfo: 1.0
    ChimeraX-Animations: 1.0
    ChimeraX-Aniso: 1.3.2
    ChimeraX-Arrays: 1.1
    ChimeraX-Atomic: 1.61.4
    ChimeraX-AtomicLibrary: 14.2.1
    ChimeraX-AtomSearch: 2.0.1
    ChimeraX-AxesPlanes: 2.4
    ChimeraX-BasicActions: 1.1.3
    ChimeraX-BILD: 1.0
    ChimeraX-BlastProtein: 3.0.0
    ChimeraX-Boltz: 1.1
    ChimeraX-BondRot: 2.0.4
    ChimeraX-BugReporter: 1.0.2
    ChimeraX-BuildStructure: 2.13.1
    ChimeraX-Bumps: 1.0
    ChimeraX-BundleBuilder: 1.6.0
    ChimeraX-ButtonPanel: 1.0.1
    ChimeraX-CageBuilder: 1.0.1
    ChimeraX-CellPack: 1.0
    ChimeraX-Centroids: 1.4
    ChimeraX-ChangeChains: 1.1
    ChimeraX-CheckWaters: 1.5
    ChimeraX-ChemGroup: 2.0.2
    ChimeraX-Clashes: 2.3
    ChimeraX-ColorActions: 1.0.5
    ChimeraX-ColorGlobe: 1.0
    ChimeraX-ColorKey: 1.5.8
    ChimeraX-CommandLine: 1.3.0
    ChimeraX-ConnectStructure: 2.0.1
    ChimeraX-Contacts: 1.0.1
    ChimeraX-Core: 1.11.1
    ChimeraX-CoreFormats: 1.2
    ChimeraX-coulombic: 1.4.5
    ChimeraX-Crosslinks: 1.0
    ChimeraX-Crystal: 1.0
    ChimeraX-CrystalContacts: 1.0.1
    ChimeraX-DataFormats: 1.2.4
    ChimeraX-Dicom: 1.2.7
    ChimeraX-DistMonitor: 1.4.2
    ChimeraX-DockPrep: 1.1.4
    ChimeraX-Dssp: 2.0
    ChimeraX-EMDB-SFF: 1.0
    ChimeraX-ESMFold: 1.0
    ChimeraX-FileHistory: 1.0.1
    ChimeraX-FunctionKey: 1.0.1
    ChimeraX-Geometry: 1.3
    ChimeraX-gltf: 1.0
    ChimeraX-Graphics: 1.4.1
    ChimeraX-Hbonds: 2.5.3
    ChimeraX-Help: 1.3
    ChimeraX-HKCage: 1.3
    ChimeraX-IHM: 1.1
    ChimeraX-ImageFormats: 1.2
    ChimeraX-IMOD: 1.0
    ChimeraX-IO: 1.0.4
    ChimeraX-ItemsInspection: 1.0.1
    ChimeraX-IUPAC: 1.0
    ChimeraX-KVFinder: 1.7.3
    ChimeraX-Label: 1.2
    ChimeraX-ListInfo: 1.2.2
    ChimeraX-Log: 1.2.2
    ChimeraX-LookingGlass: 1.1
    ChimeraX-Maestro: 1.9.2
    ChimeraX-Map: 1.3
    ChimeraX-MapData: 2.0
    ChimeraX-MapEraser: 1.0.1
    ChimeraX-MapFilter: 2.0.1
    ChimeraX-MapFit: 2.0
    ChimeraX-MapSeries: 2.1.1
    ChimeraX-Markers: 1.0.1
    ChimeraX-Mask: 1.0.2
    ChimeraX-MatchMaker: 2.2.2
    ChimeraX-MCopy: 1.0
    ChimeraX-MCPServer: 0.1.0
    ChimeraX-MDcrds: 2.17.2
    ChimeraX-MedicalToolbar: 1.1
    ChimeraX-Meeting: 1.0.1
    ChimeraX-Minimize: 1.3.2
    ChimeraX-MLP: 1.1.1
    ChimeraX-mmCIF: 2.16
    ChimeraX-MMTF: 2.2
    ChimeraX-ModelArchive: 1.0
    ChimeraX-Modeller: 1.5.22
    ChimeraX-ModelPanel: 1.6
    ChimeraX-ModelSeries: 1.0.1
    ChimeraX-Mol2: 2.0.3
    ChimeraX-Mole: 1.0
    ChimeraX-Morph: 1.0.2
    ChimeraX-MouseModes: 1.2
    ChimeraX-Movie: 1.0.1
    ChimeraX-MutationScores: 1.0
    ChimeraX-Neuron: 1.0
    ChimeraX-Nifti: 1.2
    ChimeraX-NMRSTAR: 1.0.2
    ChimeraX-NRRD: 1.2
    ChimeraX-Nucleotides: 2.0.3
    ChimeraX-OpenCommand: 1.15.2
    ChimeraX-OrthoPick: 1.0.1
    ChimeraX-PDB: 2.7.12
    ChimeraX-PDBBio: 1.0.1
    ChimeraX-PDBLibrary: 1.0.5
    ChimeraX-PDBMatrices: 1.0
    ChimeraX-PickBlobs: 1.0.1
    ChimeraX-Positions: 1.0
    ChimeraX-PresetMgr: 1.1.4
    ChimeraX-ProfileGrids: 1.4.2
    ChimeraX-PubChem: 2.2
    ChimeraX-ReadPbonds: 1.0.1
    ChimeraX-Registration: 1.1.2
    ChimeraX-RemoteControl: 1.0
    ChimeraX-RenderByAttr: 1.6.5
    ChimeraX-RenumberResidues: 1.1
    ChimeraX-ResidueFit: 1.0.1
    ChimeraX-RestServer: 1.3.3
    ChimeraX-RNALayout: 1.0
    ChimeraX-RotamerLibMgr: 4.0
    ChimeraX-RotamerLibsDunbrack: 2.0
    ChimeraX-RotamerLibsDynameomics: 2.0
    ChimeraX-RotamerLibsRichardson: 2.0
    ChimeraX-SaveCommand: 1.5.2
    ChimeraX-Scenes: 0.3.1
    ChimeraX-SchemeMgr: 1.0
    ChimeraX-SDF: 2.0.3
    ChimeraX-Segger: 1.0
    ChimeraX-Segment: 1.0.1
    ChimeraX-Segmentations: 3.5.10
    ChimeraX-SelInspector: 1.0
    ChimeraX-SeqView: 2.17.3
    ChimeraX-Shape: 1.1
    ChimeraX-Shell: 1.0.1
    ChimeraX-Shortcuts: 1.2.1
    ChimeraX-ShowSequences: 1.0.3
    ChimeraX-SideView: 1.0.1
    ChimeraX-SimilarStructures: 1.0.1
    ChimeraX-Smiles: 2.1.2
    ChimeraX-SmoothLines: 1.0
    ChimeraX-SpaceNavigator: 1.0
    ChimeraX-StdCommands: 1.19.1
    ChimeraX-STL: 1.0.1
    ChimeraX-Storm: 1.0
    ChimeraX-StructMeasure: 1.2.1
    ChimeraX-Struts: 1.0.1
    ChimeraX-Surface: 1.0.1
    ChimeraX-SwapAA: 2.0.1
    ChimeraX-SwapRes: 2.5.2
    ChimeraX-TapeMeasure: 1.0
    ChimeraX-TaskManager: 1.0
    ChimeraX-Test: 1.0
    ChimeraX-Toolbar: 1.2.3
    ChimeraX-ToolshedUtils: 1.2.4
    ChimeraX-Topography: 1.0
    ChimeraX-ToQuest: 1.0
    ChimeraX-Tug: 1.0.1
    ChimeraX-UI: 1.49.1
    ChimeraX-Umap: 1.0
    ChimeraX-uniprot: 2.3.2
    ChimeraX-UnitCell: 1.0.1
    ChimeraX-ViewDock: 1.5.2
    ChimeraX-VIPERdb: 1.0
    ChimeraX-Vive: 1.1
    ChimeraX-VolumeMenu: 1.0.1
    ChimeraX-vrml: 1.0
    ChimeraX-VTK: 1.0
    ChimeraX-WavefrontOBJ: 1.0
    ChimeraX-WebCam: 1.0.2
    ChimeraX-WebServices: 1.1.5
    ChimeraX-Zone: 1.0.1
    click: 8.3.1
    colorama: 0.4.6
    comm: 0.2.3
    contourpy: 1.3.3
    coverage: 7.13.1
    cxservices: 1.2.3
    cycler: 0.12.1
    Cython: 3.1.4
    debugpy: 1.8.19
    decorator: 5.2.1
    docutils: 0.21.2
    executing: 2.2.1
    filelock: 3.19.1
    fonttools: 4.61.1
    frozenlist: 1.8.0
    funcparserlib: 2.0.0a0
    glfw: 2.10.0
    grako: 3.16.5
    h11: 0.16.0
    h5py: 3.15.1
    html2text: 2025.4.15
    httpcore: 1.0.9
    httpx: 0.28.1
    httpx-sse: 0.4.3
    idna: 3.11
    ihm: 2.2
    imagecodecs: 2024.6.1
    imagesize: 1.4.1
    iniconfig: 2.3.0
    ipykernel: 6.30.1
    ipython: 9.5.0
    ipython_pygments_lexers: 1.1.1
    ipywidgets: 8.1.8
    jedi: 0.19.2
    Jinja2: 3.1.6
    jsonschema: 4.26.0
    jsonschema-specifications: 2025.9.1
    jupyter_client: 8.6.3
    jupyter_core: 5.9.1
    jupyterlab_widgets: 3.0.16
    kiwisolver: 1.4.9
    line_profiler: 5.0.0
    lxml: 6.0.2
    lz4: 4.3.2
    Markdown: 3.8.2
    MarkupSafe: 3.0.3
    matplotlib: 3.10.7
    matplotlib-inline: 0.2.1
    mcp: 1.18.0
    msgpack: 1.1.1
    multidict: 6.7.0
    ndindex: 1.10.1
    nest-asyncio: 1.6.0
    netCDF4: 1.6.5
    networkx: 3.3
    nibabel: 5.2.0
    nptyping: 2.5.0
    numexpr: 2.14.1
    numpy: 1.26.4
    OpenMM: 8.2.0
    openvr: 1.26.701
    packaging: 25.0
    ParmEd: 4.2.2
    parso: 0.8.5
    pep517: 0.13.1
    pexpect: 4.9.0
    pickleshare: 0.7.5
    pillow: 11.3.0
    pip: 25.2
    pkginfo: 1.12.1.2
    platformdirs: 4.5.1
    pluggy: 1.6.0
    prompt_toolkit: 3.0.52
    propcache: 0.4.1
    psutil: 7.0.0
    ptyprocess: 0.7.0
    pure_eval: 0.2.3
    py-cpuinfo: 9.0.0
    pybind11: 3.0.1
    pycollada: 0.8
    pydantic: 2.12.5
    pydantic-settings: 2.12.0
    pydantic_core: 2.41.5
    pydicom: 2.4.4
    Pygments: 2.18.0
    pynmrstar: 3.3.6
    pynrrd: 1.0.0
    PyOpenGL: 3.1.10
    PyOpenGL-accelerate: 3.1.10
    pyopenxr: 1.1.4501
    pyparsing: 3.3.2
    pyproject_hooks: 1.2.0
    PyQt6-commercial: 6.9.1
    PyQt6-Qt6: 6.9.2
    PyQt6-WebEngine-commercial: 6.9.0
    PyQt6-WebEngine-Qt6: 6.9.2
    PyQt6_sip: 13.10.2
    pytest: 9.0.2
    pytest-cov: 7.0.0
    python-dateutil: 2.9.0.post0
    python-dotenv: 1.2.1
    python-multipart: 0.0.21
    pyzmq: 27.1.0
    qtconsole: 5.7.0
    QtPy: 2.4.3
    qtshim: 1.2
    RandomWords: 0.4.0
    referencing: 0.37.0
    requests: 2.32.5
    roman-numerals: 4.1.0
    roman-numerals-py: 4.1.0
    rpds-py: 0.30.0
    scipy: 1.14.0
    setuptools: 80.9.0
    sfftk-rw: 0.8.1
    six: 1.17.0
    snowballstemmer: 3.0.1
    sortedcontainers: 2.4.0
    soupsieve: 2.8.3
    Sphinx: 8.2.3
    sphinx-autodoc-typehints: 3.2.0
    sphinxcontrib-applehelp: 2.0.0
    sphinxcontrib-blockdiag: 3.0.0
    sphinxcontrib-devhelp: 2.0.0
    sphinxcontrib-htmlhelp: 2.1.0
    sphinxcontrib-jsmath: 1.0.1
    sphinxcontrib-qthelp: 2.0.0
    sphinxcontrib-serializinghtml: 2.0.0
    sse-starlette: 3.2.0
    stack-data: 0.6.3
    starlette: 0.52.1
    superqt: 0.7.6
    tables: 3.10.2
    tcia_utils: 1.5.1
    tifffile: 2025.3.13
    tinyarray: 1.2.5
    tornado: 6.5.4
    traitlets: 5.14.3
    typing-inspection: 0.4.2
    typing_extensions: 4.15.0
    urllib3: 2.6.3
    uvicorn: 0.40.0
    wcwidth: 0.3.2
    webcolors: 24.11.1
    wheel: 0.45.1
    wheel-filename: 1.4.2
    widgetsnbextension: 4.0.15
    yarl: 1.22.0

[Eric Pettersen]

Reported by Tuzun Guvener

[Tom Goddard]

This ChimeraX error is caused by a bug in the Qt window toolkit. We have worked around this bug in the current ChimeraX 1.12 release candidate and daily build. You may want to try the release candidate.