The Anti-forgery token could not be decrypted
The solution for the exception - The anti-forgery token could not be decrypted. If this application is hosted by a Web Farm or cluster.
Fix for - A circular reference was detected while serializing an object of type 'System.RuntimeType'
Find the solution in this article for - A circular reference was detected while serializing an object of type System.RuntimeType
Unable to serialize the session state
Solution to exception when trying to save an object/class to a ASP.Net Session
WcfSvcHost encountered a critical error and must exit
Solution for WcfSvcHost encountered a critical error and must exit. This may be caused by invalid configuration file.