How To Fix COM_DML_ENGINE030 - Object & (object type &) is locked by &

SAP Error Message - Details

• Message type: E = Error

• Message class: COM_DML_ENGINE - MDF Processing Layer

• Message number: 030

• Message text: Object & (object type &) is locked by &

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 COM_DML_ENGINE030 - Object & (object type &) is locked by & ?

  The SAP error message COM_DML_ENGINE030 indicates that a specific object (identified by its name and type) is currently locked by another user or process. This typically occurs in scenarios where multiple users or processes are trying to access or modify the same object simultaneously, leading to a conflict.
  Cause:
  
  Concurrent Access: Another user or process is currently using the object, which prevents your action from proceeding.
  Long-running Transactions: A transaction that takes a long time to complete may hold a lock on the object longer than expected.
  System Errors: Sometimes, system errors or crashes can leave objects in a locked state.
  Configuration Issues: Incorrect configurations or settings in the system can lead to unexpected locking behavior.
  
  Solution:
  
  
  Identify the Lock:
  
  Use transaction code SM12 to view the list of locks in the system. You can filter by the object name or user to find out who is holding the lock.
  
  
  
  Wait and Retry:
  
  If the lock is held by another user, you may need to wait until they complete their transaction. You can periodically retry your action.
  
  
  
  Contact the User:
  
  If you identify the user holding the lock, you can contact them to see if they can release the lock or complete their transaction.
  
  
  
  Release the Lock:
  
  If necessary and if you have the appropriate authorizations, you can manually delete the lock entry in SM12. However, this should be done with caution, as it may lead to data inconsistencies if the other user is still working on the object.
  
  
  
  Check for Long-running Processes:
  
  Use transaction SM66 to monitor active processes in the system. If you find a long-running process that is holding the lock, you may need to investigate further.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any errors or warnings that might indicate underlying issues causing the lock.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific object type and locking behavior for additional insights.
  
  
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks can help in troubleshooting. SAP uses a locking mechanism to ensure data integrity during concurrent access.
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: System log for monitoring system messages.
  SM66: Global overview of active processes.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to locking behavior for the object type in question.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis team or consult SAP support for further assistance.