System.BadImageFormatException caused by NUnit project

Question

Good day everyone. I have been having the same problem all day at work and am struggling to find any new paths to go down.

I am getting the following error when my

Answer 1

Thanks Ashes999 for waking me up.

This problem did return again. And rolling back and uploading with didn't work. It turned out to be a monitor object which we no longer even use. Commented out and fixed.

The way to find this is by doing Debug All Unit Tests. Fix everywhere it pauses. If t doesn't pause then err.