3827772 - "Error: This request has been pending approval longer than allowed by policy. The request owner should contact their Approver for instructions before resubmitting."

I would like to know where the following error comes from, as it prevents us from approving the request:

"This request has been pending approval longer than allowed by policy. The request owner should contact their Approver for instructions before resubmitting. If you are not the owner but have been forwarded the request, follow the approval steps according to your policy - this may involve approving the request or assigning it to another Approver for further review." 

A request is showing the following message, preventing us to act on it: "This request has been pending approval longer than allowed by policy. The request owner should contact their Approver for instructions before resubmitting. If you are not the owner but have been forwarded the request, follow the approval steps according to your policy - this may involve approving the request or assigning it to another Approver for further review." , KBA , CON-CA-ADM , Administration , Problem