How To Fix MD_LOG104 - Could not add messages to BAL log

SAP Error Message - Details

• Message type: E = Error

• Message class: MD_LOG - Message Class of CMD log

• Message number: 104

• Message text: Could not add messages to BAL 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MD_LOG104 - Could not add messages to BAL log ?

  The SAP error message MD_LOG104: Could not add messages to BAL log typically indicates an issue with the logging mechanism in the SAP system, specifically related to the Business Application Log (BAL). This error can occur in various scenarios, often when the system is unable to write log entries due to configuration issues, authorization problems, or database constraints.
  Causes:
  
  Authorization Issues: The user or process attempting to write to the log may not have the necessary authorizations.
  Database Issues: There may be problems with the database, such as insufficient space, locks, or corruption.
  Configuration Problems: The logging configuration may not be set up correctly, or the log object may not be defined properly.
  System Performance: High system load or performance issues may prevent the log from being written.
  Temporary Issues: Sometimes, temporary issues in the system can lead to this error.
  
  Solutions:
  
  Check Authorizations: Ensure that the user or process has the necessary authorizations to write to the Business Application Log. You can check the authorization objects related to logging.
  Database Check: Verify the database status. Check for any locks, space issues, or errors in the database logs. Ensure that there is enough space in the database tables where logs are stored.
  Review Configuration: Check the configuration of the Business Application Log. Ensure that the log object is correctly defined and that the logging settings are appropriate.
  System Performance: Monitor system performance and check for any bottlenecks. If the system is under heavy load, consider optimizing performance or scheduling the logging during off-peak hours.
  Temporary Resolution: If the issue seems to be temporary, try restarting the relevant processes or the application server. Sometimes, a simple restart can resolve transient issues.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like SLG1 (Display Application Log) to view logs and diagnose issues.
  SAP Notes: Check for relevant SAP Notes that may address specific issues related to the MD_LOG104 error. SAP Notes often provide patches or workarounds for known issues.
  System Logs: Review system logs (SM21) and developer traces (ST22) for any related errors that might provide additional context for the issue.
  Support: If the problem persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  By following these steps, you should be able to identify and resolve the underlying cause of the MD_LOG104 error in your SAP system.