Invalid argument. Culture name 'neutral' is not supported. Paramenter name:name

I am creating a remoting client-server application in C# and I am getting this error:
Invalid argument. Culture name 'neutral' is not supported. Paramenter name:name
I have a client console Application to test  the server, a server that has two classes in int, and an Interface class. But it only the client and server applications the ones that give me that error.

Any idea?

Thanks
mescalonaAsked:
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