CLUNDO030 - Change number & is locked by &

SAP Error Message - Details

• Message type: E = Error

• Message class: CLUNDO - Message Class for Undo Functions in Classification

• Message number: 030

• Message text: Change number & is locked by &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message CLUNDO030 - Change number & is locked by & ?

  The SAP error message CLUNDO030 indicates that a change number is locked by a user or process, preventing you from making changes to that change number. This typically occurs in the context of change management in SAP, particularly when dealing with change numbers in the classification system or variant configuration.
  Cause:
  
  User Lock: The change number is currently being edited or processed by another user.
  System Lock: A background job or process is holding a lock on the change number.
  Transaction Incomplete: A previous transaction that involved the change number did not complete successfully, leaving it in a locked state.
  Authorization Issues: The user may not have the necessary authorizations to unlock or modify the change number.
  
  Solution:
  
  
  Check Lock Entries:
  
  Use transaction code SM12 to check for lock entries. You can filter by the user or the object type related to the change number.
  If you find a lock that is no longer needed, you can delete it (if you have the necessary authorizations).
  
  
  
  Identify the Locking User:
  
  In SM12, identify which user is holding the lock. If it is another user, you may need to communicate with them to resolve the issue.
  
  
  
  Wait for Release:
  
  If the lock is held by a legitimate process or user, you may need to wait until they complete their work.
  
  
  
  Check Background Jobs:
  
  Use transaction code SM37 to check for any background jobs that might be holding the lock. If you find a job that is causing the lock, you may need to wait for it to finish or, if appropriate, terminate it.
  
  
  
  Authorization Check:
  
  Ensure that you have the necessary authorizations to work with change numbers. If not, contact your SAP security administrator.
  
  
  
  Restart the Transaction:
  
  Sometimes, simply restarting the transaction or logging out and back into the system can resolve temporary locking issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM37: Monitor background jobs.
  SE11: Data dictionary, to check the structure of the relevant tables if needed.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for notes using the SAP Support Portal.
  
  
  Documentation: Review SAP documentation on change management and classification to understand how change numbers are managed and the implications of locks.
  
  
  If the issue persists after trying the above solutions, it may be necessary to consult with your SAP Basis team or SAP support for further assistance.