How To Fix MPD140 - Effectivity data is locked; it will not be displayed

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 140

• Message text: Effectivity data is locked; it will not be displayed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPD140 - Effectivity data is locked; it will not be displayed ?

  The SAP error message MPD140, which states "Effectivity data is locked; it will not be displayed," typically occurs in the context of managing effectivity data for materials or products in SAP. This error indicates that the effectivity data you are trying to access is currently locked, preventing you from viewing or editing it.
  
  Cause:
  
  Locking Mechanism: The effectivity data may be locked due to another user accessing it or due to a transaction that is currently being processed. SAP uses a locking mechanism to prevent data inconsistencies when multiple users attempt to access or modify the same data simultaneously.
  Transaction in Progress: If a transaction that involves effectivity data is still in progress, the system will lock the data until the transaction is completed.
  User Permissions: In some cases, the user may not have the necessary permissions to view or edit the effectivity data, leading to a perceived lock.
  
  
  Solution:
  
  Check for Active Sessions: Verify if