How To Fix MDG_MDF404 - &2 &3 already locked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_MDF - Master Data: Messages

• Message number: 404

• Message text: &2 &3 already locked by user &1

What causes this issue?

&v2&&v3& is already locked by user &V1&.

System Response

Processing terminated.

How to fix this error?

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

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 MDG_MDF404 - &2 &3 already locked by user &1 ?

  The SAP error message MDG_MDF404 indicates that a specific object (such as a master data record) is already locked by another user. This typically occurs in the context of SAP Master Data Governance (MDG) when multiple users attempt to edit the same record simultaneously.
  Cause:
  The error message is triggered when:
  
  A user is currently editing a master data record, and another user tries to access or modify the same record.
  The system uses a locking mechanism to prevent data inconsistencies that could arise from concurrent modifications.
  
  Solution:
  To resolve this issue, you can take the following steps:
  
  
  Wait for Release: If the record is locked by another user, the simplest solution is to wait until that user has finished editing and released the lock.
  
  
  Identify the Lock: You can identify which user has locked the record by using transaction code SM12 (Lock Entries). Here, you can see the list of locks and the users who hold them.
  
  
  Contact the User: If you find that the record is locked by a user who is not actively working on it, you can contact that user to ask them to release the lock.
  
  
  Release the Lock: If necessary, and if you have the appropriate authorizations, you can manually delete the lock entry in transaction SM12. However, this should be done with caution, as it may lead to data inconsistencies if the user is still working on the record.
  
  
  Check for Background Jobs: Sometimes, background jobs may also hold locks. Ensure that no background processes are running that could be causing the lock.
  
  
  Review Lock Settings: If this issue occurs frequently, it may be worth reviewing the locking strategy and settings in your SAP system to ensure they align with your business processes.
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related issues.
  MDG: Master Data Governance transactions for managing master data.
  
  
  
  Documentation: Refer to SAP Help documentation for MDG for more details on locking mechanisms and best practices.
  
  
  User Training: Ensure that users are trained on how to properly manage master data records to minimize locking issues.
  
  
  By following these steps, you should be able to address the MDG_MDF404 error effectively.