How To Fix AD539 - Enter a valid log mode

SAP Error Message - Details

• Message type: E = Error

• Message class: AD - Data Dictionary application messages

• Message number: 539

• Message text: Enter a valid log mode

What causes this issue?

The program was terminated because an invalid value was entered for
the log mode. Possible values are:
O = open log, C = close log, A = collect log records.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Enter a valid log mode.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AD539 - Enter a valid log mode ?

  The SAP error message AD539 "Enter a valid log mode" typically occurs when there is an issue with the logging configuration in the SAP system, particularly when dealing with the logging of changes in the system. This error can arise in various contexts, such as during the configuration of change logs or when trying to execute certain transactions that require logging.
  Cause:
  
  Invalid Log Mode: The log mode specified in the transaction or configuration is not recognized by the system. This could be due to a typo, an unsupported log mode, or a misconfiguration.
  Missing Authorizations: The user may not have the necessary authorizations to access or modify the logging settings.
  System Configuration Issues: There may be issues with the system configuration that prevent the logging mode from being recognized or applied correctly.
  
  Solution:
  
  
  Check Log Mode Input: Ensure that the log mode you are entering is valid. Common log modes include:
  
  "A" for "All changes"
  "C" for "Changes only"
  "N" for "No logging"
  Make sure you are using the correct syntax and that the log mode is supported in your version of SAP.
  
  
  
  Review Documentation: Consult the SAP documentation or help files for the specific transaction or configuration you are working with to ensure you are using the correct log mode.
  
  
  User Authorizations: Verify that the user has the necessary authorizations to change logging settings. You may need to check the user's roles and permissions in the system.
  
  
  System Configuration: If the issue persists, check the system configuration settings related to logging. This may involve reviewing the relevant configuration tables or settings in transaction codes like SCC4 (Client Administration) or SIMG_CFMENUORKSOKA1 (Log Configuration).
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message or provide additional troubleshooting steps.
  
  
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance, especially if this is impacting critical business processes.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to logging and change management, such as SCC4, SIMG_CFMENUORKSOKA1, or SCU3 (Change Document Overview).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  System Logs: Check system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the AD539 error and implement a suitable solution.