How To Fix BRAIN175 - System is trying to write data that were not locked

SAP Error Message - Details

• Message type: E = Error

• Message class: BRAIN -

• Message number: 175

• Message text: System is trying to write data that were not locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message BRAIN175 - System is trying to write data that were not locked ?

  The SAP error message BRAIN175 indicates that the system is attempting to write data that has not been properly locked. This typically occurs in scenarios where concurrent processes are trying to access or modify the same data, leading to potential data inconsistencies.
  Cause:
  
  Concurrency Issues: Multiple users or processes are trying to access or modify the same data simultaneously without proper locking mechanisms in place.
  Locking Mechanism Failure: The system may not have established a lock on the data before attempting to write to it, possibly due to a programming error or a failure in the locking logic.
  Transaction Management: If a transaction is not properly managed, it may lead to situations where data is accessed without the necessary locks.
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. Ensure that the data you are trying to write is not being accessed by another user or process.
  Review Code: If you are developing custom programs or reports, review the code to ensure that proper locking mechanisms (e.g., using ENQUEUE and DEQUEUE function modules) are implemented before writing data.
  Transaction Handling: Ensure that transactions are properly managed. Use commit and rollback statements appropriately to maintain data integrity.
  Debugging: If the issue persists, consider debugging the program or process that is causing the error to identify where the locking mechanism is failing.
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific error message.
  
  Related Information:
  
  Lock Management: Understanding how SAP handles locks is crucial. Locks are used to prevent data inconsistencies when multiple users or processes are accessing the same data.
  SAP Basis: If you are an SAP Basis administrator, you may need to monitor system performance and locking behavior to prevent such issues from occurring in the future.
  User Training: Ensure that users are trained on how to properly use the system to minimize concurrency issues.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance.