How To Fix /PMG/CHN_LOG_MESSAGE001 - No change log exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /PMG/CHN_LOG_MESSAGE -

• Message number: 001

• Message text: No change log exists

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PMG/CHN_LOG_MESSAGE001 - No change log exists ?

  The SAP error message /PMG/CHN_LOG_MESSAGE001 No change log exists typically indicates that the system is unable to find a change log for a specific object or transaction. This can occur in various contexts, such as when trying to view changes made to a particular record or when attempting to analyze changes in a specific module.
  Causes:
  
  No Change Log Activated: The change log feature may not be activated for the specific object or table you are trying to access.
  Data Deletion: The change log data may have been deleted or purged, either manually or through a scheduled job.
  Incorrect Configuration: The configuration settings for change logging may not be set up correctly in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the change log data.
  Object Not Supported: The specific object or transaction may not support change logging.
  
  Solutions:
  
  
  Activate Change Log: If the change log is not activated, you may need to enable it for the relevant object. This can typically be done in the customizing settings of the relevant module.
  
  Navigate to the relevant customizing transaction (e.g., SPRO) and check the settings for change logging.
  
  
  
  Check Data Retention Policies: If the change log data has been deleted, review the data retention policies and consider restoring from a backup if necessary.
  
  
  Review Configuration: Ensure that the configuration for change logging is correctly set up. This may involve checking the relevant tables and settings in the SAP system.
  
  
  User Authorizations: Verify that the user has the necessary authorizations to view change logs. This may involve checking roles and permissions assigned to the user.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific instructions related to the object or module you are working with.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may use transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), or SPRO (Customizing) to investigate further.
  Change Log Tables: Familiarize yourself with the specific tables that store change log data for the relevant module (e.g., CDPOS, CDHDR for general change documents).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message /PMG/CHN_LOG_MESSAGE001 No change log exists.