User is unable to save chages on an order that has been PGI'd.

Error message: Incoterms or POD indicator change is not possible after PGI.

The user is having the same roles the other user have who can save it without error. Some extra parameters are there. Also, the user is able to save it in Qa with same roles as prod. Not happening in Prod. SU53 is not showing the right result. Unable to identify if it is an access issue or a process issue.