Error - Web Page Has Expired in PHP?

royalblue

New Member
I have six pages for a registration form in my PHP project. In between any of the page if I press the back button from the explorer bar I get the error:\[code\]"Webpage has Expired". \[/code\]I am using \[code\]$_POST\[/code\] to submit the data. I can't understand why this occurs?
 
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