Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib, Version=4.0.0.0 Error

Question

My .NET site is working fine on Localhost. But, on my Server. I get this error.

\"Could not load type \'System.Runtime.CompilerServices.ExtensionAttri

Answer 1

JUST install microsoft framework v4.5 or higher on you pc or server it's worked for me very well