How To Fix MPD502 - MP header data in document &1 is currently locked by user &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 502

• Message text: MP header data in document &1 is currently locked by user &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPD502 - MP header data in document &1 is currently locked by user &2 ?

  The SAP error message MPD502 indicates that the header data of a document (identified by &1) is currently locked by another user (identified by &2). This typically occurs in scenarios where multiple users are trying to access or modify the same document simultaneously, leading to a lock situation to prevent data inconsistencies.
  
  Cause:
  
  Concurrent Access: Another user is currently editing or has opened the document, which locks the header data to prevent changes from multiple users at the same time.
  Session Timeout: A previous session may not have released the lock due to a timeout or an unexpected termination.
  Long-running Transactions: If a user is taking a long time to complete their transaction, the document remains locked for an extended period.
  
  
  Solution:
  
  Wait and Retry: The simplest solution is to wait for the other user to finish their work and release the lock. You can periodically check if the document is still locked.
  Identify the Lock: Use