How To Fix MDG_GN036 - Object &1/&2 is locked by user &3

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_GN - Messages from the Generator

• Message number: 036

• Message text: Object &1/&2 is locked by user &3

What causes this issue?

Object &1/&2 has already been generated by user &V3&.

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?

Contact user &V3& and then repeat the transaction.

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_GN036 - Object &1/&2 is locked by user &3 ?

  The SAP error message MDG_GN036 indicates that a specific object (identified by &1 and &2) is currently locked by a user (identified by &3). This typically occurs in the context of Master Data Governance (MDG) when multiple users attempt to access or modify the same object simultaneously.
  Cause:
  
  Concurrent Access: Another user is currently editing or has locked the object for some reason, preventing other users from making changes.
  Session Timeout: A previous session may not have released the lock due to a timeout or an unexpected termination.
  System Error: Sometimes, system errors or inconsistencies can lead to locks not being released properly.
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for the other user to finish their work and release the lock may resolve the issue.
  Identify the Locking User: Use transaction code SM12 to check for locks. You can search for the object using the relevant keys (like the object type and ID) to see who is locking it.
  Contact the Locking User: If possible, communicate with the user who has locked the object to understand their need for the lock and if they can release it.
  Release the Lock: If the locking user is unavailable or if the lock is stale (e.g., due to a session crash), an administrator can manually release the lock using transaction SM12. However, this should be done with caution to avoid data inconsistencies.
  Check for System Issues: If locks are frequently not being released, it may indicate a system issue that needs to be investigated by your SAP Basis team.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related errors.
  ST22: To check for dumps that might indicate underlying issues.
  
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. Locks are typically used to prevent data inconsistencies during concurrent updates.
  User Training: Ensure that users are trained on how to properly release locks and manage their sessions to minimize locking issues.
  
  If the problem persists after trying the above solutions, it may be necessary to involve your SAP support team for further investigation.