Error Message:
    RHN Proxy error (during proxy login). Please contact your system administrator.
Error Class Code: 1000
Error Class Info: RHN Proxy error.
Explanation:
     An error has occurred while processing your request. If this problem
     persists please enter a bug report at bugzilla.redhat.com.
     If you choose to submit the bug report, please be sure to include
     details of what you were trying to do when this error occurred and
     details on how to reproduce this problem.