I can't find any solution to this problem.
I had built my project in Release mode. When I changed to Debug mode and tried to rebuild the project, I got this error. And I KEEP getting this error no matter what I do.
I cleaned the project. No joy. Restarted VS2019. No joy. Deleted the bin and obj folders. No joy.
Switched back to Release mode. No joy.
The boss is waiting for this project and I can't build it because of this stupid unspecified error.
"...Another Xamarin operation is running..."
WHAT OPERATION???!!! How can I cancel that operation?
I rebooted the computer. No joy.
I own the paid version of Visual Studio Professional and this is not ok!!
Edit: I opened another version of the same project. This built ok.
Reopened the problem project and did not get the error.
Just wasted 2 hours on this