I have been working for several weeks with Rhino Inside and Revit 2021.
Since the last update from Rhino Inside and Rhino I get the error 200.
I´m running a user experiment for my PhD Thesis and need our softwares to run flawlessly as before ASAP I´d appreciate the help!
I expect that if the Rhino 7 is updated to the most recent version, and Rhino.Inside.Revit is updated to the latest version, then it will run again.
Make sure to install from new downloads from both those locations.
Thanks @scottd I did as suggested and worked. It seems I hadn´t restarted after a first update and that had messed everything.
Yes, it also seems that starting Rhino by itself outside of Revit sometimes helps too.
I am glad you are up and running.