Contents Index Failed to read CR LF. Extra data found in the HTTP body: %1!s!

MobiLink Synchronization Reference
  MobiLink Communication Error Messages
    Communication error descriptions

Expected data from remote but current request is not a POST.

Item Value
Error code 89
Constant HTTP_EXPECTED_POST (Java) STREAM_ERROR_HTTP_EXPECTED_POST (C/C++) ulStreamErrorHttpExpectedPost (Visual Basic)
Probable cause 

The proxy you are using may not be compatible with MobiLink. Please check your configuration.

Contents Index Failed to read CR LF. Extra data found in the HTTP body: %1!s!