How To Fix ENHANCEMENT654 - Calls from within the code cannot be undone

SAP Error Message - Details

• Message type: E = Error

• Message class: ENHANCEMENT - SAP customer enhancement project messages

• Message number: 654

• Message text: Calls from within the code cannot be undone

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ENHANCEMENT654 - Calls from within the code cannot be undone ?

  The SAP error message "ENHANCEMENT654 Calls from within the code cannot be undone" typically occurs in the context of enhancements or modifications made to standard SAP code. This message indicates that a certain enhancement or modification has been executed, and it cannot be reversed or undone due to the nature of the enhancement framework in SAP.
  Cause:
  
  Enhancement Implementation: The error usually arises when an enhancement implementation is called from within the code, and the system is unable to revert or undo the changes made by that enhancement.
  Incorrect Usage: It may also occur if the enhancement is being used in a way that is not supported, such as trying to call an enhancement in a context where it cannot be rolled back.
  Transactional Context: The error can also be related to the transactional context in which the enhancement is executed. If the enhancement modifies data or state in a way that cannot be reversed, this error may be triggered.
  
  Solution:
  
  Review Enhancement Implementation: Check the enhancement implementation to ensure that it is designed correctly and does not perform actions that cannot be undone.
  Modify Code Logic: If possible, modify the logic of the code that calls the enhancement to ensure that it does not lead to irreversible changes.
  Use of Rollback: If the enhancement is meant to be reversible, ensure that proper rollback mechanisms are in place. This may involve using transaction management techniques to handle changes appropriately.
  Debugging: Use debugging tools to trace the execution flow and identify where the enhancement is being called and why it cannot be undone.
  Consult Documentation: Refer to SAP documentation or notes related to the specific enhancement or transaction to understand its limitations and proper usage.
  
  Related Information:
  
  Enhancement Framework: Familiarize yourself with the SAP enhancement framework, which allows for modifications to standard SAP applications without altering the original code.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on enhancements.
  SAP Community: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.