How To Fix CTS_CONFIG_MSG_CL079 - Validation failed - a change log of shared memory is already active

CTS_CONFIG_MSG_CL079 - Overview

• Message type: E = Error

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

• Message number: 079

• Message text: Validation failed - a change log of shared memory is already active

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CTS_CONFIG_MSG_CL079 - Validation failed - a change log of shared memory is already active ?

  The SAP error message CTS_CONFIG_MSG_CL079 indicates that there is an issue with the change log of shared memory in the Change and Transport System (CTS). This error typically occurs when there is an attempt to activate a change log while another change log is already active. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Active Change Log: The error arises when a change log for shared memory is already active, preventing the system from starting a new one.
  System Configuration: There may be a misconfiguration in the CTS settings or the transport landscape.
  Concurrent Processes: Multiple processes may be trying to access or modify the change log simultaneously, leading to conflicts.
  
  
  Solution:
  
  
  Check Active Change Logs:
  
  Use transaction code SM21 to check the system log for any active change logs or related errors.
  Use transaction code SM37 to check for any background jobs that might be running and holding the change log.
  
  
  
  Deactivate Active Change