How To Fix MW526 - Article &1 locked for allocation table, item not transferred

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 526

• Message text: Article &1 locked for allocation table, item not transferred

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MW526 - Article &1 locked for allocation table, item not transferred ?

  The SAP error message MW526 ("Article &1 locked for allocation table, item not transferred") typically occurs when there is an attempt to allocate stock for a material (article) that is currently locked in the allocation table. This can happen for various reasons, such as ongoing transactions, system processes, or manual locks.
  Causes:
  
  Ongoing Transactions: Another transaction is currently processing or updating the allocation for the same material.
  Manual Locks: A user or process has manually locked the material for allocation.
  System Processes: Background jobs or batch processes that are running may have locked the material.
  Data Consistency Issues: There may be inconsistencies in the data that prevent the allocation from being processed.
  
  Solutions:
  
  Check Locks: Use transaction code SM12 to check for any locks on the material. If you find a lock that is no longer needed, you can delete it (ensure you have the necessary authorizations).
  Wait for Completion: If the lock is due to an ongoing transaction or background job, wait for it to complete before attempting the allocation again.
  Review Background Jobs: Check if there are any scheduled jobs that might be locking the material. You can use transaction code SM37 to monitor job statuses.
  Consult with Users: If a user has locked the material, communicate with them to understand the reason for the lock and if it can be released.
  Check for Data Issues: Ensure that there are no data inconsistencies or issues with the material master or allocation table that could be causing the lock.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs.
  MM03: To view material master data.
  
  
  Documentation: Refer to SAP Help documentation for more details on allocation processes and error handling.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for specific guidance related to this error.
  
  By following these steps, you should be able to identify the cause of the MW526 error and take appropriate action to resolve it.