Strange Error - CS0012: The type x is defined in an assembly that is not referenced

Question

The type \'x\' is defined in an assembly that is not referenced. You must add a reference to assembly \'abc123\'.

I have a .NET 2.0 web application that references m

Answer 1

More often than not, it is because of the cached assemblies. One way resolve this issue is by making the "strong reference" in the proj or config file. Refer this blog post