How To Fix SL400 - ********** Messages for SM20 (system audit log)

SAP Error Message - Details

• Message type: E = Error

• Message class: SL - System log

• Message number: 400

• Message text: ********** Messages for SM20 (system audit log)

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message SL400 - ********** Messages for SM20 (system audit log) ?

  The SAP error message SL400 typically relates to issues encountered when accessing or processing the system audit log (SM20). This log is crucial for monitoring security-related events in the SAP system. The error message SL400 can indicate various underlying issues, and the specific details (represented by the asterisks in your message) can provide more context.
  Common Causes of SL400 Error
  
  Authorization Issues: The user may not have the necessary authorizations to access the audit log.
  Log File Corruption: The audit log files may be corrupted or improperly configured.
  System Configuration: There may be issues with the configuration of the audit log settings in the system.
  Database Issues: Problems with the underlying database can also lead to errors when trying to access logs.
  Performance Issues: If the system is under heavy load, it may not be able to process the request for the audit log.
  
  Solutions
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the audit log. The user should have the S_USER_AUTH authorization object, among others.
  
  
  
  Review Configuration:
  
  Check the configuration settings for the audit log in transaction SM20. Ensure that the logging is enabled and properly configured.
  
  
  
  Check Log Files:
  
  Verify the integrity of the audit log files. If they are corrupted, you may need to restore them from a backup or clear them if they are no longer needed.
  
  
  
  Database Health:
  
  Check the health of the database. Ensure that there are no issues with the database that could be affecting the audit log access.
  
  
  
  System Performance:
  
  Monitor system performance. If the system is under heavy load, consider optimizing performance or scheduling log access during off-peak hours.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to the SL400 error. SAP Notes often provide patches or workarounds for known issues.
  
  
  
  System Logs:
  
  Check the system logs (transaction SM21) for any additional error messages or warnings that could provide more context about the SL400 error.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM20: Display Audit Log
  SM21: System Log
  SU53: Display Authorization Check
  SUIM: User Information System
  
  
  
  SAP Documentation: Refer to the official SAP documentation for detailed information on system audit logs and security monitoring.
  
  
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.