How To Fix CU804 - General maintenance task list & is locked by user &

SAP Error Message - Details

• Message type: E = Error

• Message class: CU - Variants / configuration messages

• Message number: 804

• Message text: General maintenance task list & is locked by user &

What causes this issue?

This <DS:GLOS.general_maintenance_task_list>general maintenance task
list</> is being processed by user &v1&.

System Response

When one user processes an object, the system locks the object to
prevent other users from accessing it.

How to fix this error?

Try again later.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CU804 - General maintenance task list & is locked by user & ?

  The SAP error message CU804 indicates that a general maintenance task list is locked by a user. This typically occurs when a user is currently editing or has opened a task list, preventing other users from making changes to it. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  User Lock: The task list is being edited by another user, which locks it for other users.
  Session Timeout: A user may have left a session open, causing the lock to persist even after they are no longer actively working on it.
  System Error: Occasionally, system errors or crashes can leave a task list in a locked state.
  
  Solution:
  
  
  Identify the Locking User:
  
  Use transaction code SM12 to view the list of locks in the system. You can filter by the object type and the user to find out who is locking the task list.
  
  
  
  Contact the User:
  
  If you identify the user who has the task list locked, contact them to see if they can release the lock by closing their session or saving their work.
  
  
  
  Release the Lock:
  
  If the user is unavailable or cannot release the lock, you can manually delete the lock entry in SM12. However, this should be done with caution and typically requires appropriate authorizations.
  
  
  
  Check for Background Jobs:
  
  Sometimes, background jobs may also hold locks. Check if any background jobs are running that might be using the task list.
  
  
  
  System Restart:
  
  In extreme cases, if the lock cannot be released and is causing significant issues, a system restart may be necessary. This should be done as a last resort and typically requires coordination with your SAP Basis team.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  CU01: To create a maintenance task list.
  CU02: To change a maintenance task list.
  CU03: To display a maintenance task list.
  
  
  
  User Authorizations: Ensure that users have the necessary authorizations to edit or release locks on task lists.
  
  
  Documentation: Refer to SAP Help documentation for more details on task lists and locking mechanisms.
  
  
  Best Practices: Encourage users to properly close their sessions and save their work to avoid unnecessary locks.
  
  
  By following these steps, you should be able to resolve the CU804 error and manage task list locks effectively.