C# type defined in an assembly that is not referenced

Question

I have two projects A and B. Project A makes use of type X in project B, so I have a reference to B added in A. Everything built fine.

I signed project B using a s

Answer 1

To help people getting here from Google, Merlyn's comment asking about delay-signed was the answer for me.

I was getting this error referencing a delay-signed assembly A that referenced a type X defined in assembly B. I got the error that B wasn't referenced (and I was already referencing the signed version of B).

The fix was to find and reference the signed version of A.