Greetings. We're having an issue savings session with ChimeraX 1.5. Trying to save a session file results in the following error: [save] (help: user/commands/save.html) /data/processed/staggers/cryofib- tryps/process/YTAT9-1 lamella4 0206 def -5 110e tilt-7/full seg session.cxs [save /data/processed/staggers/cryofib- tryps/process/YTAT9 - 1 lamella4 0206 def -5 110e tilt-7/full seg session.cxs] (cxcmd: save /data/processed/staggers/cryofib- tryps/process/YTAT9 - 1 lamella4 0206 def -5 110e tilt-7/full seg session.cxs) Traceback (most recent call last) : File "/opt/cryoem/chimerax-2022.10.28/lib/python3.9/site- packages/chimerax/core/session.py", line 285, in process data = sm. take snapshot (obj session, self.-state flags) File "/opt/cryoem/chimerax-2022.10.28/lib/python3.9/site- packages/chimerax/log/tool.py", line 542, in take snapshot "contents': self.page source, AttributeError: *Log' object has no attribute 'page source' The above exception was the direct cause of the following exception: Traceback (most recent call last) : File "/opt/cryoem/chimerax-2022.10.28/lib/python3.9/site- packages/chimerax/core/session.py", line 262, in discovery self.processed[key] = self.process (obj, parents) File "/opt/cryoem/chimerax-2022.10.28/lib/python3.9/site- packages/chimerax/core/session.py", line 290, in process raise RuntimeError (msg) from e RuntimeError: Error while saving session data for "tools' -> ‹chimerax.core. tools. Tools object at 0x7f90efeb0310> => <chimerax.log. tool. Log object at 0x7f90ee2b3c10> During handling of the above exception, another exception occurred: Traceback (most recent call last) : File "/opt/cryoem/chimerax-2022.10.28/lib/python3.9/site- packages/chimerax/core/session.py", line 896, in save session. save (output, version=version, include maps=include maps) File "/opt/cryoem/chimerax-2022.10.28/lib/python3.9/site- packages/chimerax/core/session.py" line 625, in save mgr.discovery(self. state containers) File "/opt/cryoem/chimerax-2022.10.28/lib/python3.9/site- packages/chimerax/core/session.py", line 266, in discovery raise ValueError ("error processing: %S: %S" % ( obj stack(parents, obj), e)) ValueError: error processing: "tools' <chimerax.core. tools. Tools object at 0x7 f90efeb0310> <chimerax.log. tool.Log object at 0x7f90ee2b3c10>: Error while saving session data for 'tools' -> <chimerax.core. tools. Tools object at 0x7f90efeb0310> <chimerax.log. tool. Log object at 0x7f90ee2b3c10> BUG: ValueError: error processing: 'tools' for "tools => -> ->: Error while saving session data File "/opt/cryoem/chimerax-2022.10.28/lib/python3.9/site- packages/chimerax/core/session.py" line 266, in discovery raise ValueError ("error processing: %S: %5" % (obj stack(parents, obj), e)) See log for complete Python traceback.