How To Fix APPL_COMMON024 - Exactly-once request cannot be locked: &1 (error code &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: APPL_COMMON -

• Message number: 024

• Message text: Exactly-once request cannot be locked: &1 (error code &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message APPL_COMMON024 - Exactly-once request cannot be locked: &1 (error code &2) ?

  The SAP error message APPL_COMMON024 indicates that a request that is supposed to be processed exactly once cannot be locked. This typically occurs in scenarios where the system is trying to ensure that a particular operation is executed only once, but it encounters a locking issue.
  
  Cause:
  
  Concurrency Issues: The error often arises when multiple processes or transactions are trying to access the same resource simultaneously, leading to a locking conflict.
  Database Locking: The database may have a lock on the resource that the request is trying to access, preventing it from being processed.
  Long-running Transactions: If a transaction is taking too long to complete, it may hold locks longer than expected, causing other requests to fail.
  
  Configuration Issues: There may be misconfigurations in the system that affect how locks are managed.
  
  
  Solution:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. Identify if there are any locks held by other users or