How To Fix /SCWM/PSA021 - Saving failed because data was changed by another user.

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCWM/PSA -

• Message number: 021

• Message text: Saving failed because data was changed by another user.

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCWM/PSA021 - Saving failed because data was changed by another user. ?

  The SAP error message /SCWM/PSA021 indicates that a save operation failed because the data being modified was changed by another user. This is a common issue in multi-user environments where concurrent access to the same data can lead to conflicts.
  Cause:
  
  Concurrent Modifications: Another user has modified the same data record after you retrieved it for editing but before you attempted to save your changes.
  Locking Mechanism: SAP uses a locking mechanism to prevent data inconsistencies. If another user locks the data, you will not be able to save your changes until the lock is released.
  Session Timeout: If your session has timed out or if you have been inactive for a while, the system may have released your lock on the data.
  
  Solution:
  
  Refresh the Data: Before saving, refresh the data to ensure you have the latest version. You can do this by reloading the screen or navigating away and back to the transaction.
  Check for Changes: Review the data to see what changes were made by the other user. You may need to reconcile your changes with the new data.
  Communicate with Other Users: If possible, communicate with the other user(s) to understand what changes were made and coordinate your efforts.
  Retry Saving: After refreshing and reviewing the data, try saving your changes again.
  Use Change Logs: If available, check change logs to see what modifications were made and adjust your changes accordingly.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP that may help you navigate and manage data more effectively.
  User Locking: Understand how SAP handles user locks and how to manage them. You can use transaction code SM12 to view and manage locks.
  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: Ensure that users are trained on how to handle concurrent data access and the importance of refreshing data before making changes.
  
  By following these steps, you should be able to resolve the error and successfully save your changes in SAP.