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Opened 5 hours ago
#20369 new defect
ChimeraX bug report submission
| Reported by: | Owned by: | ||
|---|---|---|---|
| Priority: | normal | Milestone: | |
| Component: | Unassigned | Version: | |
| Keywords: | Cc: | ||
| Blocked By: | Blocking: | ||
| Notify when closed: | Platform: | ||
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Description
The following bug report has been submitted:
Platform: macOS-26.5-arm64-arm-64bit
ChimeraX Version: 1.12.dev202604090110 (2026-04-09 01:10:39 UTC)
Description
When trying to open a ChimeraX session file from a student wither with ChimeraX 1.11 or a recent daily build, I get this error message.
Log:
> open /Users/roehrig/.chimerax/my_chimerax_startup.cxc
> alias opensd open $* format swissdock
> alias hidep hide pseudobonds
> alias ligball style ligand ball
> name positive :arg,lys,his
> name negative :asp,glu
executed my_chimerax_startup.cxc
UCSF ChimeraX version: 1.12.dev202604090110 (2026-04-09)
© 2016-2026 Regents of the University of California. All rights reserved.
How to cite UCSF ChimeraX
> open "/Users/roehrig/Teaching/Course-EB-2026/Exercises/ex5/Clara
> Desriac_3369292_assignsubmission_file/Practice_5.cxs"
Unable to restore session, resetting.
Traceback (most recent call last):
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/session.py", line 847, in restore
cls = name.class_of(self)
^^^^^^^^^^^^^^^^^^^
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/session.py", line 228, in class_of
cls = bundle_info.get_class(class_name, session.logger)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/core/toolshed/info.py", line 487, in get_class
return f(class_name)
^^^^^^^^^^^^^
File
"/Applications/ChimeraX_Daily.app/Contents/Library/Frameworks/Python.framework/Versions/3.11/lib/python3.11/site-
packages/chimerax/animations/__init__.py", line 25, in get_class
raise ValueError("Unknown class name '%s'" % class_name)
ValueError: Unknown class name 'SceneAnimation'
> view name session-start
opened ChimeraX session
OpenGL version: 4.1 Metal - 90.5
OpenGL renderer: Apple M1 Max
OpenGL vendor: Apple
Python: 3.11.9
Locale: en_US.UTF-8
Qt version: PyQt6 6.10.2, Qt 6.10.0
Qt runtime version: 6.10.1
Qt platform: cocoa
Hardware:
Hardware Overview:
Model Name: MacBook Pro
Model Identifier: MacBookPro18,4
Model Number: Z15H0013RSM/A
Chip: Apple M1 Max
Total Number of Cores: 10 (8 Performance and 2 Efficiency)
Memory: 64 GB
System Firmware Version: 18000.120.36
OS Loader Version: 18000.120.36
Software:
System Software Overview:
System Version: macOS 26.5 (25F71)
Kernel Version: Darwin 25.5.0
Time since boot: 14 hours, 55 minutes
Graphics/Displays:
Apple M1 Max:
Chipset Model: Apple M1 Max
Type: GPU
Bus: Built-In
Total Number of Cores: 32
Vendor: Apple (0x106b)
Metal Support: Metal 4
Displays:
Color LCD:
Display Type: Built-in Liquid Retina XDR Display
Resolution: 3024 x 1964 Retina
Main Display: Yes
Mirror: Off
Online: Yes
Automatically Adjust Brightness: No
Connection Type: Internal
Installed Packages:
accessible-pygments: 0.0.5
aiohappyeyeballs: 2.6.1
aiohttp: 3.13.1
aiosignal: 1.4.0
alabaster: 1.0.0
annotated-types: 0.7.0
anyio: 4.13.0
appdirs: 1.4.4
appnope: 0.1.4
asttokens: 3.0.1
attrs: 26.1.0
babel: 2.18.0
beautifulsoup4: 4.13.5
blockdiag: 3.0.0
blosc2: 4.1.2
bs4: 0.0.2
build: 1.3.0
certifi: 2025.7.14
cftime: 1.6.5
charset-normalizer: 3.4.7
ChimeraX-AddCharge: 1.5.20
ChimeraX-AddH: 2.2.8
ChimeraX-AlignmentAlgorithms: 2.0.2
ChimeraX-AlignmentHdrs: 3.6.2
ChimeraX-AlignmentMatrices: 2.1
ChimeraX-Alignments: 3.2
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: 1.67
ChimeraX-AtomicLibrary: 14.4
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: 1.4.1
ChimeraX-ChangeChains: 1.1
ChimeraX-CheckWaters: 1.5
ChimeraX-ChemGroup: 2.0.2
ChimeraX-Clashes: 2.3.1
ChimeraX-Cluster: 1.0
ChimeraX-ColorActions: 1.0.5
ChimeraX-ColorGlobe: 1.0
ChimeraX-ColorKey: 1.5.8
ChimeraX-CommandLine: 1.3.1
ChimeraX-ConnectStructure: 2.0.1
ChimeraX-Contacts: 1.0.1
ChimeraX-Core: 1.12.dev202604090110
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: 1.2.1
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: 1.8.2
ChimeraX-Label: 1.3
ChimeraX-LightingGUI: 1.0
ChimeraX-ListInfo: 1.3.1
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: 2.3
ChimeraX-MCopy: 1.0
ChimeraX-MCPServer: 0.2.0
ChimeraX-MDcrds: 2.19
ChimeraX-MedicalToolbar: 1.1
ChimeraX-Meeting: 1.0.1
ChimeraX-Minimize: 1.3.8
ChimeraX-MLP: 1.1.1
ChimeraX-mmCIF: 2.16
ChimeraX-MMTF: 2.2
ChimeraX-ModelArchive: 1.0
ChimeraX-Modeller: 1.5.23
ChimeraX-ModelPanel: 1.6.1
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: 1.15.4
ChimeraX-OpenFold: 1.0
ChimeraX-OrthoPick: 1.0.1
ChimeraX-PDB: 2.7.13
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: 1.5.3
ChimeraX-PubChem: 2.2
ChimeraX-ReadPbonds: 1.0.1
ChimeraX-Registration: 1.1.2
ChimeraX-RemoteControl: 1.0
ChimeraX-RenderByAttr: 1.8.2
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: 3.5.12
ChimeraX-SelInspector: 1.0
ChimeraX-SeqView: 2.18
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-SNFG: 1.0
ChimeraX-SpaceNavigator: 1.0
ChimeraX-StdCommands: 1.19.3
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: 2.5.3
ChimeraX-TapeMeasure: 1.0
ChimeraX-TaskManager: 1.0
ChimeraX-Test: 1.0
ChimeraX-Toolbar: 1.2.4
ChimeraX-ToolshedUtils: 1.2.4
ChimeraX-Topography: 1.0
ChimeraX-ToQuest: 1.0
ChimeraX-Tug: 1.0.1
ChimeraX-UI: 1.50.5
ChimeraX-Umap: 1.0
ChimeraX-uniprot: 2.3.2
ChimeraX-UnitCell: 1.0.1
ChimeraX-ViewDock: 1.6.1
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: 8.3.2
colorama: 0.4.6
comm: 0.2.3
contourpy: 1.3.3
coverage: 7.13.5
cxservices: 1.2.3
cycler: 0.12.1
Cython: 3.2.4
debugpy: 1.8.20
decorator: 5.2.1
docutils: 0.21.2
executing: 2.2.1
filelock: 3.19.1
fonttools: 4.62.1
frozenlist: 1.8.0
funcparserlib: 2.0.0a0
glfw: 2.10.0
grako: 3.16.5
h11: 0.16.0
h5py: 3.16.0
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: 2.0.0
iniconfig: 2.3.0
ipykernel: 7.1.0
ipython: 9.9.0
ipython_pygments_lexers: 1.1.1
jedi: 0.19.2
Jinja2: 3.1.6
jsonschema: 4.26.0
jsonschema-specifications: 2025.9.1
jupyter_client: 8.8.0
jupyter_core: 5.9.1
kiwisolver: 1.5.0
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: 6.7.1
narwhals: 2.19.0
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: 2.4.4
numpy: 1.26.4
OpenMM: 8.4.0
openvr: 1.26.701
packaging: 25.0
ParmEd: 4.2.2
parso: 0.8.6
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: 4.9.6
plotly: 6.5.2
plotly: 6.6.0
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: 2.13.1
pydantic_core: 2.41.5
pydata-sphinx-theme: 0.17.0
pydicom: 2.4.4
Pygments: 2.18.0
pyKVFinder: 0.9.0
pynmrstar: 3.5.0
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: 6.10.2
PyQt6-Qt6: 6.10.1
PyQt6-WebEngine-commercial: 6.10.0
PyQt6-WebEngine-Qt6: 6.10.1
PyQt6_sip: 13.10.3
pytest: 9.0.3
pytest-cov: 7.1.0
python-dateutil: 2.9.0.post0
python-dotenv: 1.2.2
python-multipart: 0.0.24
pyzmq: 27.1.0
qtconsole: 5.7.0
QtPy: 2.4.3
qtshim: 1.2.2
RandomWords: 0.4.0
referencing: 0.37.0
requests: 2.32.5
roman-numerals: 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: 9.0.4
sphinx-autodoc-typehints: 3.6.1
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: 3.3.4
stack-data: 0.6.3
starlette: 1.0.0
superqt: 0.7.6
tables: 3.10.2
tcia_utils: 3.2.1
tifffile: 2025.3.13
tinyarray: 1.2.5
tomlkit: 0.14.0
tornado: 6.5.5
tqdm: 4.67.3
traitlets: 5.14.3
typing-inspection: 0.4.2
typing_extensions: 4.15.0
Unidecode: 1.4.0
urllib3: 2.6.3
uvicorn: 0.44.0
wcwidth: 0.6.0
webcolors: 24.11.1
wheel: 0.45.1
wheel-filename: 1.4.2
yarl: 1.23.0
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