"Invalid postback or callback argument" in Mozilla

Hi

Invalid postback or callback argument.  Event validation is enabled using <pages enableEventValidation="true"/> in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
I got this Error only when I use Mozilla Firefox when I try to export the Crystal report

I tried to change  enableEventValidation to False but I got the same error

who can help me?

 

 
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