Error using saved tool positioning

[chimerax-bug-report@…]

The following bug report has been submitted:
Platform:        Linux-3.10.0-862.2.3.el7.x86_64-x86_64-with-centos-7.5.1804-Core
ChimeraX Version: 0.94 (2020-04-15)
Description
(Describe the actions that caused this problem to occur here)

Log:
Traceback (most recent call last):  
File "/home/emuser/apps/chimerax-2020.04.15/lib/python3.7/site-
packages/chimerax/core/toolshed/info.py", line 621, in start_tool  
ti = api._api_caller.start_tool(api, session, self, tool_info)  
File "/home/emuser/apps/chimerax-2020.04.15/lib/python3.7/site-
packages/chimerax/core/toolshed/__init__.py", line 1621, in start_tool  
return cls._get_func(api, "start_tool")(session, ti.name)  
File "/home/emuser/apps/chimerax-2020.04.15/lib/python3.7/site-
packages/chimerax/model_panel/__init__.py", line 21, in start_tool  
return model_panel(session, tool_name)  
File "/home/emuser/apps/chimerax-2020.04.15/lib/python3.7/site-
packages/chimerax/model_panel/tool.py", line 345, in model_panel  
_mp = ModelPanel(session, tool_name)  
File "/home/emuser/apps/chimerax-2020.04.15/lib/python3.7/site-
packages/chimerax/model_panel/tool.py", line 103, in __init__  
tw.manage(placement="side")  
File "/home/emuser/apps/chimerax-2020.04.15/lib/python3.7/site-
packages/chimerax/ui/gui.py", line 1748, in manage  
version, placement, geom_info = settings.tool_positions['windows'][tool_name]  
ValueError: too many values to unpack (expected 3)  
  
During handling of the above exception, another exception occurred:  
  
Traceback (most recent call last):  
File "/home/emuser/apps/chimerax-2020.04.15/lib/python3.7/site-
packages/chimerax/core/tools.py", line 426, in start_tools  
bi.start_tool(session, tool_name)  
File "/home/emuser/apps/chimerax-2020.04.15/lib/python3.7/site-
packages/chimerax/core/toolshed/info.py", line 627, in start_tool  
"start_tool() failed for tool %s in bundle %s:\n%s" % (tool_name, self.name,
str(e)))  
chimerax.core.toolshed.ToolshedError: start_tool() failed for tool Model Panel
in bundle ChimeraX-ModelPanel:  
too many values to unpack (expected 3)  
  
Tool "Model Panel" failed to start:  
chimerax.core.toolshed.ToolshedError: start_tool() failed for tool Model Panel
in bundle ChimeraX-ModelPanel:  
too many values to unpack (expected 3)  
  
File "/home/emuser/apps/chimerax-2020.04.15/lib/python3.7/site-
packages/chimerax/core/toolshed/info.py", line 627, in start_tool  
"start_tool() failed for tool %s in bundle %s:\n%s" % (tool_name, self.name,
str(e)))  
  
See log for complete Python traceback.  
  
UCSF ChimeraX version: 0.94.dev202004150013 (2020-04-15)  
© 2016-2020 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  




OpenGL version: 3.3.0 NVIDIA 390.48
OpenGL renderer: Quadro K4000/PCIe/SSE2
OpenGL vendor: NVIDIA Corporation
Manufacturer: Hewlett-Packard
Model: HP Z420 Workstation
OS: CentOS Linux 7 Core
Architecture: 64bit ELF
CPU: 12 Intel(R) Xeon(R) CPU E5-1650 0 @ 3.20GHz
Cache Size: 12288 KB
Graphics:
	04:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK106GL [Quadro K4000] [10de:11fa] (rev a1)
	Subsystem: NVIDIA Corporation Device [10de:097c]
	Kernel driver in use: nvidia