How To Fix NSDM_MIG_CONTROL004 - MKPF (complete) migration cannot be locked

SAP Error Message - Details

• Message type: E = Error

• Message class: NSDM_MIG_CONTROL - Log message for migration

• Message number: 004

• Message text: MKPF (complete) migration cannot be locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message NSDM_MIG_CONTROL004 - MKPF (complete) migration cannot be locked ?

  The SAP error message NSDM_MIG_CONTROL004 indicates that the migration of the MKPF (Document Header for Material Documents) table cannot be locked. This typically occurs during data migration processes, such as when using the SAP Data Migration tools or during system upgrades.
  Causes:
  
  Concurrent Access: The MKPF table may be locked by another process or user, preventing the migration process from obtaining the necessary lock.
  Long-running Transactions: If there are long-running transactions that are holding locks on the MKPF table, this can lead to the migration process being unable to proceed.
  Database Locking Issues: There may be issues at the database level that are causing locks to not be released properly.
  Configuration Issues: Incorrect configuration in the migration settings or tools may lead to locking issues.
  
  Solutions:
  
  
  Check for Active Locks:
  
  Use transaction SM12 to check for any active locks on the MKPF table. If you find locks that are not needed, you can release them (ensure that you have the necessary authorizations and that it is safe to do so).
  
  
  
  Identify Long-running Transactions:
  
  Use transaction SM66 or SM50 to monitor active processes and identify any long-running transactions that may be holding locks on the MKPF table. If possible, terminate those processes.
  
  
  
  Retry Migration:
  
  After resolving any locking issues, retry the migration process. Sometimes, simply waiting for a few moments and then retrying can resolve transient locking issues.
  
  
  
  Check Migration Configuration:
  
  Review the configuration settings for the migration process to ensure that everything is set up correctly. This includes checking for any parameters that may affect locking behavior.
  
  
  
  Database Administration:
  
  If the issue persists, consult with your database administrator to check for any underlying database issues that may be causing locking problems.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage locks.
  SM66: Global work process overview.
  SM50: Local process overview.
  
  
  
  Documentation: Refer to SAP documentation on data migration and locking mechanisms for more detailed information on how to handle such issues.
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  
  By following these steps, you should be able to diagnose and resolve the NSDM_MIG_CONTROL004 error effectively.