Sys.WebForms.PageRequestManagerParserErrorException

hi,

I got error msg like below. I try some solution in google.. 

Sys.WebForms.PageRequestManagerParserErrorException: Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed.

that respective link also mention below.

http://stackoverflow.com/questions/11221033/sys-webforms-pagerequestmanagerparsererrorexception-the-message-received-from-t

http://forums.asp.net/t/1392827.aspx

Problem is that they asked do PostBackTrigger to solve the issue. But I have multiple update panels in my page.. i am not enable to make full post back ....

please tell me some solution ..ASAP