How To Fix TRUST019 - Access to ACL table locked by user &1

SAP Error Message - Details

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 019

• Message text: Access to ACL table locked by user &1

What causes this issue?

A lock requested by the call of an ENQUEUE function module cannot be
granted, since another user already holds the relevant lock.

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 the user that holds the lock.

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 TRUST019 - Access to ACL table locked by user &1 ?

  The SAP error message TRUST019 indicates that access to the Access Control List (ACL) table is currently locked by a specific user. This typically occurs when a user is performing an operation that requires exclusive access to the ACL table, which is used for managing authorizations and access rights in SAP systems.
  Cause:
  
  User Lock: The user mentioned in the error message has locked the ACL table, possibly due to a long-running transaction or an uncommitted change.
  Transaction Interruption: If a transaction that modifies the ACL table is interrupted (e.g., due to a system crash or user cancellation), it may leave the table in a locked state.
  Concurrent Access: Multiple users or processes trying to access or modify the ACL table simultaneously can lead to locking issues.
  
  Solution:
  
  Identify the Locking User: Use transaction code SM12 to check for locks in the system. Look for the user mentioned in the error message and identify the session that is holding the lock.
  Release the Lock: If the locking session is no longer active or if it is safe to do so, you can manually delete the lock entry from SM12. Be cautious when doing this, as it may lead to data inconsistency if the session is still performing critical operations.
  Wait for Automatic Release: If the lock is due to a legitimate ongoing process, you may need to wait for that process to complete. Locks are typically released automatically once the transaction is finished.
  Check for Long-Running Transactions: Investigate if there are any long-running transactions that might be causing the lock. If necessary, you can work with the user to resolve any issues they are facing.
  System Monitoring: Implement monitoring to track and manage locks more effectively in the future. This can help prevent similar issues from occurring.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage lock entries.
  SM21: To check system logs for any related errors or warnings.
  ST22: To analyze dumps that may provide insight into the issue.
  
  
  Authorization Management: Understanding how ACLs work in SAP and the implications of locking can help in managing user access more effectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message TRUST019. SAP frequently updates its knowledge base with solutions for common problems.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.