How To Fix MPD309 - Effectivity data is locked; data transfer aborted

SAP Error Message - Details

• Message type: E = Error

• Message class: MPD - Message Class for A&D MPD

• Message number: 309

• Message text: Effectivity data is locked; data transfer aborted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPD309 - Effectivity data is locked; data transfer aborted ?

  The SAP error message MPD309, which states "Effectivity data is locked; data transfer aborted," typically occurs in the context of Material Requirements Planning (MRP) or production planning processes. This error indicates that the effectivity data for a material is currently locked, preventing any changes or data transfers related to that material.
  Causes:
  
  Data Locking: The effectivity data for the material is locked by another user or process. This can happen if another transaction is currently editing the same data.
  Background Jobs: A background job may be running that is using the effectivity data, causing it to be locked for other transactions.
  Transaction Errors: An error in a previous transaction may have left the data in a locked state.
  User Permissions: The user may not have the necessary permissions to access or modify the effectivity data.
  
  Solutions:
  
  Check for Locks: Use transaction code SM12 to check for any locks on the effectivity data. If you find a lock that is no longer needed, you can delete it (if you have the necessary permissions).
  Wait and Retry: If the lock is due to another user or a background job, you may need to wait until the other process completes and then retry your transaction.
  Review Background Jobs: Check if there are any background jobs running that might be locking the data. You can use transaction code SM37 to monitor background jobs.
  User Permissions: Ensure that the user has the appropriate permissions to access and modify the effectivity data. If not, contact your SAP administrator to adjust the permissions.
  Transaction Logs: Review transaction logs to identify if there were any errors or issues that caused the data to be locked.
  
  Related Information:
  
  Transaction Codes:
  
  SM12: To view and manage locks.
  SM37: To monitor background jobs.
  SE11: To check the data dictionary for the relevant tables.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for MPD309 in the SAP Support Portal.
  Documentation: Review SAP documentation related to MRP and effectivity data management for best practices and troubleshooting steps.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.