How To Fix /SCMB/MD_LOCK013 - Master maintenance currently locked due to parallel data transfer

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCMB/MD_LOCK -

• Message number: 013

• Message text: Master maintenance currently locked due to parallel data transfer

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCMB/MD_LOCK013 - Master maintenance currently locked due to parallel data transfer ?

  The SAP error message /SCMB/MD_LOCK013 indicates that a master data maintenance operation is currently locked due to parallel data transfer. This typically occurs in the context of SAP Supply Chain Management (SCM) when multiple processes are trying to access or modify the same master data simultaneously, leading to a lock situation to ensure data integrity.
  Cause:
  
  Concurrent Processes: Multiple users or processes are trying to access or modify the same master data at the same time.
  Long-Running Transactions: A previous transaction may be taking longer than expected, holding the lock on the master data.
  Background Jobs: Scheduled background jobs that update master data can also lead to this error if they overlap with user activities.
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for a few moments and then retry the operation. The lock may be released once the other process completes.
  Identify Locking Process: Use transaction code SM12 to check for active locks. You can identify which user or process is holding the lock and take appropriate action.
  Terminate Locking Process: If you identify a process that is unnecessarily holding the lock, you may choose to terminate it (if you have the necessary permissions and it is safe to do so).
  Schedule Jobs Appropriately: If background jobs are causing the issue, consider rescheduling them to run during off-peak hours to minimize conflicts with user activities.
  Review Configuration: Ensure that your system is configured correctly to handle concurrent data access. This may involve reviewing settings related to data locking and transaction handling.
  
  Related Information:
  
  
  Transaction Codes: 
  
  SM12: To view and manage locks.
  SM21: To check system logs for any related errors or warnings.
  ST22: To analyze dumps that may provide insights into the issue.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on master data management and locking mechanisms in SCM.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message or provide patches and updates.
  
  
  Performance Monitoring: Regularly monitor system performance and transaction logs to identify potential bottlenecks that could lead to locking issues.
  
  
  By following these steps, you should be able to resolve the /SCMB/MD_LOCK013 error and prevent it from occurring in the future.