Hello,
i am getting error **Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled. Details: Error parsing near 'Mailbox unavailable','**
its working fine before 1 year but what happen i don't know anybody can help me out..
if you have any idea below of the error.
Thank you,