How To Fix S_UNIFIED_CON109 - Set Lock has failed because one single processing action &1 is running

S_UNIFIED_CON109 - Overview

• Message type: E = Error

• Message class: S_UNIFIED_CON - Message Class for Unified Connectivity

• Message number: 109

• Message text: Set Lock has failed because one single processing action &1 is running

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message S_UNIFIED_CON109 - Set Lock has failed because one single processing action &1 is running ?

  The SAP error message S_UNIFIED_CON109 indicates that a lock could not be set because a single processing action is already running. This typically occurs in scenarios where multiple processes or transactions are trying to access the same resource or data simultaneously, leading to a conflict.
  
  Cause:
  
  Concurrent Processing: The error usually arises when a transaction or process is already being executed, and another attempt is made to execute the same transaction or process that requires a lock on the same resource.
  Long-Running Transactions: If a transaction takes a long time to complete, it can block other transactions from acquiring the necessary locks.
  Deadlocks: In some cases, deadlocks can occur if two or more processes are waiting for each other to release locks.
  
  
  Solution:
  
  Wait and Retry: If the process is expected to complete soon, you can wait for a while and then retry the operation.
  Check Running Processes: Use transaction codes like SM50 (Process Overview) or SM66