How To Fix PPEENG126 - &1 &2 has been changed; changes may be lost

SAP Error Message - Details

• Message type: E = Error

• Message class: PPEENG - iPPE Engine Messages

• Message number: 126

• Message text: &1 &2 has been changed; changes may be lost

What causes this issue?

You wish to unlock the iPPE object &v1& &v2&. The object has been
edited, which means that there are changes to the object in the buffer
that have not yet been saved in the database.
If you release the lock, the changes may be lost because other users
will be able to edit the object.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PPEENG126 - &1 &2 has been changed; changes may be lost ?

  The SAP error message PPEENG126 typically occurs in the context of the Production Planning and Execution (PP) module, particularly when dealing with planning scenarios or when changes are being made to a planning object (like a production order or a planning file) that has already been modified by another user or process.
  Cause:
  The error message indicates that the object you are trying to modify has been changed by another user or process since you last accessed it. This can happen in collaborative environments where multiple users are working on the same data simultaneously. The system is warning you that if you proceed with your changes, you may overwrite or lose the updates made by others.
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Refresh the Data: Before making any changes, refresh the data to ensure you have the latest version. This can often be done by navigating away from the screen and returning, or by using a refresh button if available.
  
  
  Check for Changes: Review the changes made by other users. If possible, communicate with them to understand what modifications have been made.
  
  
  Reapply Your Changes: After refreshing and reviewing the latest data, reapply your changes based on the most current information.
  
  
  Locking Mechanism: If your organization uses a locking mechanism for data changes, ensure that you have the necessary permissions and that the object is not locked by another user.
  
  
  Consult Documentation: If the issue persists, consult SAP documentation or your internal support team for specific guidance related to your system configuration.
  
  
  Error Handling: If you are developing or customizing SAP applications, implement error handling in your code to manage such conflicts gracefully.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP that pertain to production planning and execution, such as CO01 (Create Production Order), CO02 (Change Production Order), and others.
  User Roles and Permissions: Ensure that your user role has the appropriate permissions to make changes to the objects in question.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions to common problems.
  Training and Documentation: Consider training sessions or documentation for users to minimize conflicts when multiple users are working on the same data.
  
  By following these steps, you should be able to address the PPEENG126 error effectively. If the problem continues, it may be beneficial to reach out to your SAP support team for further assistance.