I\'m having another of these \"Could not load file or assembly or one of its dependencies\" problems.
Additional information: Could not load file or
Another possible cause: make sure you haven't accidentally given both of the projects the same assembly name in project properties.
For me rebuilding the unity game without Unity C# Proects Checkmark worked.
Following worked for me.
You have to delete Your appname.dll file from your output folder. Cleanup Debug and Release folders. Rebuild and copy to output folder regenerated dll file.
I had the same problem i solved it via the instructions below:
use the 64bit version of IIS ...
Try checking if the "Copy to Local" property for the reference is set to true and the specific version is set to true. This is relevant for applications in Visual Studio.