How To Fix 15217 - This update request cannot be carried out retrospectively; &

15217 - Overview

• Message type: E = Error

• Message class: 15 - Update message

• Message number: 217

• Message text: This update request cannot be carried out retrospectively; &

What causes this issue?

The update request you selected could not be processed. The reason
for this is specified in the brackets at the end of the message.
Possible reasons are:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

The update is synchronous
Locks (enqueues) belonging to the update request have been deleted in
meantime.

Error message extract from SAP system. Copyright SAP SE.

15217 - Details

• The SAP error message 15217, which states "This update request cannot be carried out retrospectively," typically occurs in the context of updating or changing data in the SAP system, particularly when dealing with financial documents or other transactional data. This error indicates that the system is preventing a change because it would violate the integrity of the data or the business rules defined in the system.
  
  Cause:
  
  
  Retrospective Changes: The error usually arises when there is an attempt to make changes to a document or transaction that has already been posted or processed in a way that does not allow for retrospective updates. This is common in financial postings where the period has been closed.
  
  
  Period Closure: If the posting period for the transaction has been closed, the system will not allow changes to be made to that transaction.
  
  
  Document Status: The document may be in a status that does not permit changes, such