How To Fix CU812 - The general maintenance task list cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: CU - Variants / configuration messages

• Message number: 812

• Message text: The general maintenance task list cannot be locked

What causes this issue?

You want to maintain the configuration profile for a
<DS:GLOS.general_maintenance_task_list>general maintenance task
list</>. Before you can do this, the task list must be locked for other
users.

System Response

The system could not lock the task list.

How to fix this error?

Contact your system administrator for more information.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CU812 - The general maintenance task list cannot be locked ?

  The SAP error message CU812, which states "The general maintenance task list cannot be locked," typically occurs when there is an issue with locking mechanisms in the SAP system. This error can arise in various scenarios, particularly when trying to create, modify, or delete maintenance task lists.
  Causes:
  
  Concurrent Access: Another user or process may be accessing the same maintenance task list, preventing it from being locked for your operation.
  System Lock Issues: There may be a problem with the locking mechanism in the SAP system, which can occur due to system inconsistencies or errors.
  Database Issues: Problems with the database or its connectivity can also lead to locking issues.
  User Authorizations: The user may not have the necessary authorizations to lock the task list.
  
  Solutions:
  
  Check for Concurrent Users: Verify if another user is currently accessing the same task list. If so, wait for them to finish or coordinate with them to avoid conflicts.
  Release Locks: Use transaction code SM12 to check for existing locks on the task list. If you find any unnecessary locks, you can release them (ensure you have the necessary authorizations to do so).
  Check User Authorizations: Ensure that your user account has the appropriate authorizations to perform the operation on the maintenance task list.
  System Restart: If the issue persists, consider restarting the SAP application server or the entire system, as this can sometimes resolve locking issues.
  Database Check: If you suspect database issues, consult your database administrator to check for any inconsistencies or connectivity problems.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (for lock entries), SM21 (for system logs), and ST22 (for dump analysis) to diagnose and troubleshoot the issue.
  SAP Support: If the problem persists after trying the above solutions, consider reaching out to SAP Support for further assistance, providing them with detailed information about the error and the steps you have already taken.
  
  By following these steps, you should be able to identify and resolve the issue related to the CU812 error message in SAP.