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How To Fix WM013 - Module & - technical error occurred during locking


SAP Error Message - Details

  • Message type: E = Error

  • Message class: WM - IS-R Assortments

  • Message number: 013

  • Message text: Module & - technical error occurred during locking

  • Show details Hide details
  • What causes this issue?

    A technical error occurred in the database when you tried to lock
    a database object.

    System Response

    The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

    How to fix this error?

    Contact your system administrator, specifying precisely the
    circumstances which led to this error.

    Error message extract from SAP system. Copyright SAP SE.


Smart SAP Assistant

  • What is the cause and solution for SAP error message WM013 - Module & - technical error occurred during locking ?

    The SAP error message WM013, which states "Module & - technical error occurred during locking," typically indicates that there is a problem related to the locking mechanism in the Warehouse Management (WM) module. This error can occur for various reasons, and understanding the cause and potential solutions can help resolve the issue.

    Causes of WM013 Error

    1. Database Locking Issues: The error may arise due to database locks that are not being released properly. This can happen if a transaction is interrupted or if there are long-running transactions that hold locks.

    2. Concurrency Issues: If multiple users or processes are trying to access the same data simultaneously, it can lead to locking conflicts.

    3. System Performance: High system load or performance issues can lead to timeouts or failures in acquiring locks.

    4. Configuration Issues: Incorrect configuration in the WM module or related settings can also lead to locking errors.

    5. Transport Issues: If there are issues with transport requests or changes that have not been properly imported, it can lead to inconsistencies in the system.

    Solutions to WM013 Error

    1. Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can delete any unnecessary locks that may be causing the issue.

    2. Review System Logs: Check the system logs (transaction SM21) for any related errors or warnings that might provide more context about the locking issue.

    3. Transaction Monitoring: Use transaction SM66 to monitor active processes and identify any long-running transactions that may be holding locks.

    4. Restart the Transaction: Sometimes, simply restarting the transaction or the session can resolve temporary locking issues.

    5. System Performance Tuning: If the system is under heavy load, consider optimizing performance by analyzing and tuning database performance, adjusting memory settings, or scheduling batch jobs during off-peak hours.

    6. Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.

    7. Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.

    Related Information

    • Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (Lock Entries), SM21 (System Log), and SM66 (Global Work Process Overview) for troubleshooting.
    • Documentation: Review SAP documentation related to Warehouse Management and locking mechanisms for a deeper understanding of how locks are managed in the system.
    • User Training: Ensure that users are trained on proper transaction handling to minimize the risk of locking issues due to user error.

    By following these steps, you should be able to diagnose and resolve the WM013 error effectively.

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