How To Fix /SAPAPO/DP_EVENT305 - Activation failed, event was locked

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/DP_EVENT -

• Message number: 305

• Message text: Activation failed, event was locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/DP_EVENT305 - Activation failed, event was locked ?

  The SAP error message /SAPAPO/DP_EVENT305 Activation failed, event was locked typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly in the Demand Planning (DP) module. This error indicates that an event that is required for the activation of a planning run is currently locked, preventing the process from proceeding.
  
  Cause:
  
  
  Locked Event: The most common cause of this error is that the event you are trying to activate is locked by another process or user. This can happen if:
  
  Another user is currently processing the same event.
  A previous process did not complete successfully, leaving the event in a locked state.
  There are background jobs that are still running and have not released the lock.
  
  
  
  System Configuration: Sometimes, system settings or configurations can lead to events being locked unintentionally.
  
  
  
  Solution:
  
  
  Check for Locks:
  
  Use transaction code SM12 to check for locks in the system. Look for entries related to the event in question and identify