How To Fix TA736 - Semaphore for LM process of type &1 (ID &2) already exists

TA736 - Overview

• Message type: E = Error

• Message class: TA - Extended table maintenance (eval., Customizing, client copy)

• Message number: 736

• Message text: Semaphore for LM process of type &1 (ID &2) already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message TA736 - Semaphore for LM process of type &1 (ID &2) already exists ?

  The SAP error message TA736 indicates that there is a semaphore for a Lock Management (LM) process that already exists. This typically occurs when a process is trying to acquire a lock that is already held by another process, which can lead to contention and potential deadlocks in the system.
  
  Cause:
  
  Concurrent Processes: Multiple processes are trying to access the same resource simultaneously, leading to a conflict.
  Improper Release of Locks: A previous process may not have released the lock properly, causing the semaphore to remain active.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold onto the semaphore longer than expected.
  System 
  Configuration Issues: There may be configuration issues in the SAP system that lead to improper handling of locks.
  
  
  Solution:
  
  Identify the Lock: Use transaction code SM12 to check for existing locks. You can identify the user and the object that is locked.
  Release the Lock: If you find that a lock