How To Fix CTS_CONFIG_MSG_CL077 - Validation failed - instance of shared memory is already locked

CTS_CONFIG_MSG_CL077 - Overview

• Message type: E = Error

• Message class: CTS_CONFIG_MSG_CL - Message Class for Central CTS Configuration

• Message number: 077

• Message text: Validation failed - instance of shared memory is already locked

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CTS_CONFIG_MSG_CL077 - Validation failed - instance of shared memory is already locked ?

  The SAP error message CTS_CONFIG_MSG_CL077 indicates that there is an issue with the transport management system (TMS) configuration, specifically related to shared memory locking. This error typically occurs when an instance of shared memory is already locked, preventing further operations that require access to that memory.
  
  Cause:
  
  Concurrent Access: The most common cause of this error is that multiple processes are trying to access the same shared memory instance simultaneously, leading to a lock conflict.
  Long-Running Processes: If a previous process that accessed the shared memory is still running or has not released the lock, it can cause this error.
  System 
  Configuration Issues: Misconfigurations in the transport management system or the underlying system settings can also lead to this error.
  Memory Leaks: In some cases, memory leaks or improper handling of shared memory can lead to locks not being released as expected.
  
  
  Solution:
  
  Check Running Processes: Use transaction SM50 or SM66 to check for any long-running processes