Email problem could not process this "GET"request

Helema Posts 1 Registration date Thursday March 17, 2016 Status Member Last seen March 19, 2016 - Mar 19, 2016 at 12:56 PM
I got a notification after loging in my email that Error:l description :could not process this "GET"request.This affects my everything and making it difficult for me to check my mail after loging in.Please what shall l do