Web Suite user gets a random error with the following message:
“Operation is not valid due to the current state of the object” or
“The URL-encoded form data is invalid”
This error is caused due to the patch update released by Microsoft for ASP.NET.
To fix this problem, please follow the steps provided in the document:
http://www.bqe.com/support_download/kbdocs/MSFT2012PatchIssue_KB581.pdf
If the problem persists, please contact our Technical Support at 310-602-4030.