MWS-Error-Session expired

Hello Team,
I am getting error while login in to MWS using url

Your session has expired.Please login again

[POP.012.0002.wm_cafshared/hidden]Aclient error
occured processing the response from the server

If I am using URL http://server:port then its working properly .
Please help me on this.

Prashant Srivastava

The ‘’ is a dynamic alias that is a result of your Start Page rules. This value may vary from user to user. Normally you would not navigate directly to this page, as you would be redirected to it automatically after login. What is your use case for using this this URL directly?