Great idea for a tool! Was hoping to give it a good limit test but I got the following error:
Describe the bug
Rule Manager window not opening after installation. Error:
Value cannot be null.
Parameter name: key
To Reproduce
Steps to reproduce the behavior:
- Installed Revit 2020 .msi
- Accepted addin in Revit to load
- Clicked Rule Manager command
Expected behavior
Rule Manager window opening
Screenshots

Desktop (please complete the following information):
- Revit Version [2020.1]
- Regular DLL Version [e.g. 1.0.1]