ax 2009 unable to render the page due to an error contact system administrator in view receipts page

Hi,

I have created the expense report and attached the receipts using “attach receipts” link.

When i tried to view the attached expense receipts using “View receipts” link, it is throw an error. “Unable to render the page due to error. please contact system administrator.”. When i tried multiple times to open the page its opened.

Please let me know why got the error when i tried at first time?

Thanks,

Haribabu