How To Fix SD644 - The document has already been enhanced

SD644 - Overview

• Message type: E = Error

• Message class: SD - Online doc., terminology, translation, help

• Message number: 644

• Message text: The document has already been enhanced

What causes this issue?

The orginal can no longer be modified when an object has been enhanced.

System Response

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

How to fix this error?

Perform the desired processing in the enhancement.

Error message extract from SAP system. Copyright SAP SE.

SD644 - Details

• The SAP error message SD644, which states "The document has already been enhanced," typically occurs in the context of Sales and Distribution (SD) when there is an attempt to enhance a document (like a sales order or delivery) that has already been processed or modified in a way that prevents further enhancements.
  
  Cause:
  
  Document Status: The document in question has already been enhanced or processed, meaning that it has been saved with additional data or modifications that cannot be changed further.
  Enhancement Logic: The system may have specific enhancement logic that restricts further changes once certain conditions are met.
  User Permissions: The user may not have the necessary permissions to make changes to the document.
  Technical Issues: There could be underlying technical issues or bugs in the system that are causing this error.
  
  
  Solution:
  
  Check Document Status: Verify the status of the document. If it has already been enhanced, you may need to create a new document