How To Fix ESH_OM_OBJ_MODEL_RP2159 - Categories: System failure during lock

SAP Error Message - Details

• Message type: E = Error

• Message class: ESH_OM_OBJ_MODEL_RP2 - Object Model Repository (2)

• Message number: 159

• Message text: Categories: System failure during lock

What causes this issue?

System failure while trying to lock categories.

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?

Inform your system administrator.

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 ESH_OM_OBJ_MODEL_RP2159 - Categories: System failure during lock ?

  The SAP error message ESH_OM_OBJ_MODEL_RP2159, which falls under the category of "System failure during lock," typically indicates that there is an issue related to the locking mechanism in the SAP system. This can occur during operations that require exclusive access to certain resources, such as when multiple users or processes attempt to access or modify the same data simultaneously.
  Cause:
  
  Lock Conflicts: The error may arise due to conflicts in locking mechanisms, where one process is trying to access a resource that is already locked by another process.
  Database Issues: Problems with the underlying database, such as deadlocks or timeouts, can also lead to this error.
  System Performance: High system load or performance issues can cause delays in acquiring locks, leading to failures.
  Configuration Issues: Incorrect configuration settings in the SAP system or the database can contribute to locking problems.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. If you find any unnecessary locks, you can delete them if they are not being used.
  Analyze System Performance: Monitor system performance using transaction codes like ST22 (dump analysis) and SM21 (system log) to identify any underlying issues that may be causing the lock failures.
  Database Monitoring: Check the database logs for any deadlocks or timeout issues. You may need to work with your database administrator to resolve these.
  Review Custom Code: If the error occurs during a specific transaction or custom program, review the code for any locking logic that may be causing conflicts.
  Increase Lock Timeout: If applicable, consider increasing the lock timeout settings in the SAP system to allow more time for processes to acquire locks.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (lock entries), SM21 (system log), ST22 (dump analysis), and SM37 (job monitoring) to help diagnose and resolve issues.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  SAP Support: If the problem persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the context in which it occurs.
  
  By following these steps, you should be able to identify the root cause of the ESH_OM_OBJ_MODEL_RP2159 error and implement a suitable solution.