How To Fix UJA_EXCEPTION231 - Dimension is locked by '&1'

SAP Error Message - Details

• Message type: E = Error

• Message class: UJA_EXCEPTION - BPC: Admin exception message class

• Message number: 231

• Message text: Dimension is locked by '&1'

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJA_EXCEPTION231 - Dimension is locked by '&1' ?

  The SAP error message UJA_EXCEPTION231, which states "Dimension is locked by '&1'", typically occurs in the context of SAP BW (Business Warehouse) or SAP BW/4HANA when a certain dimension in a data model is locked for processing. This can happen during data loading, transformation, or when trying to perform certain operations on the data model.
  Cause:
  
  Concurrent Processes: The dimension may be locked because another process is currently using it. This could be due to data loading, data extraction, or other operations that require exclusive access to the dimension.
  Long-Running Transactions: If a transaction is taking too long to complete, it may hold the lock on the dimension longer than expected.
  Manual Locks: Sometimes, locks can be manually set by users or administrators for maintenance or troubleshooting purposes.
  
  Solution:
  
  Identify the Locking Process: Use transaction codes like SM12 (for lock entries) or SM21 (for system logs) to identify which process is holding the lock on the dimension. This will help you understand if it is a long-running job or a manual lock.
  Wait for Completion: If the lock is due to a legitimate process, you may need to wait for that process to complete before attempting your operation again.
  Terminate the Locking Process: If you determine that the locking process is stuck or not needed, you can terminate it. Be cautious with this approach, as it may lead to data inconsistencies or loss.
  Check for Manual Locks: If a manual lock is in place, you may need to contact the administrator who set the lock to release it.
  Review System Performance: If locks are a frequent issue, consider reviewing system performance and optimizing long-running processes to minimize locking conflicts.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12, SM21, and ST22 for monitoring locks, system logs, and dumps, respectively.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Review SAP BW documentation for best practices on managing dimensions and data loading processes to avoid locking issues in the future.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.