How To Fix CMT027 - Error occurred during locking; objects are displayed only

SAP Error Message - Details

• Message type: E = Error

• Message class: CMT - CM: Message Class in CM Environment

• Message number: 027

• Message text: Error occurred during locking; objects are displayed only

INCLUDE NA_SYSAD2

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CMT027 - Error occurred during locking; objects are displayed only ?

  The SAP error message CMT027 ("Error occurred during locking; objects are displayed only") typically occurs when there is an issue with the locking mechanism in SAP. This can happen in various scenarios, such as when trying to edit or update data in a transaction that requires exclusive access to certain objects.
  Causes:
  
  Lock Conflicts: Another user or process may have locked the object you are trying to access, preventing you from making changes.
  System Performance Issues: High system load or performance issues can lead to locking problems.
  Database Issues: Problems with the underlying database can also cause locking errors.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to locking issues.
  Transaction Rollback: If a previous transaction that was supposed to lock the object failed or was rolled back, it may leave the object in a locked state.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can identify if another user is holding a lock on the object you are trying to access.
  Release Locks: If you find that a lock is held by a user who is no longer active, you can manually delete the lock entry (if you have the necessary authorizations).
  Retry the Operation: Sometimes, simply waiting a moment and retrying the operation can resolve the issue if it was a temporary lock.
  System Performance Monitoring: Monitor system performance and check for any bottlenecks that may be causing locking issues.
  Database Check: Ensure that the database is functioning correctly and that there are no issues that could be causing locking problems.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address specific issues related to locking in your version of SAP.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: Check system logs for any related errors or warnings.
  ST22: Analyze dumps that may provide insight into the issue.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, especially if it is affecting multiple users or critical business processes.
  Documentation: Review SAP documentation related to locking mechanisms and transaction management for a deeper understanding of how locks are handled in your specific SAP environment.
  
  By following these steps, you should be able to diagnose and resolve the CMT027 error effectively.