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Ankita Gupta 65Ankita Gupta 65 

Error in approval process on click of 'Submit for approval' button after upgrade to Spring'17

I have a Visualforce page on which we have the 'Approval Process' list shown as a related list. Prior to Spring'17 release the approval process was working successfully. Now when the user clicks on 'Submit for approval' button below two errors shop up:
The page you submitted was invalid for your session. Please click Save again to confirm your change.
We need to confirm that your request is valid. Please repeat your last action.

Any help would be highly appreciated.
SandhyaSandhya (Salesforce Developers) 
Hi Ankita Gupta,

This is a known issue. Please refer below link you can find a workaround over there.

https://success.salesforce.com/issues_view?id=a1p3A0000001BunQAE

Hope this helps you!

If this helps you, please mark it as solved so that it will be available 

Thanks and Regards
Sandhya