How To Fix TG151 - Invalid log name

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 151

• Message text: Invalid log name

INCLUDE TG150 OBJECT DOKU ID NA LANGUAGE EN

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message TG151 - Invalid log name ?

  The SAP error message TG151 "Invalid log name" typically occurs when there is an issue with the log file name specified in the system. This can happen in various contexts, such as when trying to access logs or when configuring logging settings in SAP.
  Causes:
  
  Incorrect Log Name: The log name specified may not conform to the expected naming conventions or may contain invalid characters.
  Log File Not Found: The system may be trying to access a log file that does not exist or has been deleted.
  Configuration Issues: There may be misconfigurations in the logging settings or parameters in the SAP system.
  Authorization Issues: The user may not have the necessary permissions to access the specified log file.
  
  Solutions:
  
  Check Log Name: Verify that the log name you are using is correct and follows the required naming conventions. Ensure that it does not contain any invalid characters.
  Verify Log Existence: Check if the log file actually exists in the specified location. If it does not, you may need to recreate it or adjust the configuration to point to the correct log file.
  Review Configuration: Go through the logging configuration settings in the SAP system to ensure they are set up correctly. This may involve checking transaction codes related to logging, such as SLG1 (Application Log) or others depending on the context.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the log files. You may need to consult with your SAP security team to verify and adjust user roles and permissions.
  Consult SAP Notes: Look for any relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions for common issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes related to logging, such as SLG1 (Display Application Log) and SLG2 (Delete Application Log).
  SAP Documentation: Refer to the official SAP Help Portal for detailed documentation on logging and error handling.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.