How To Fix MD_LOG102 - Could not save BAL log

SAP Error Message - Details

• Message type: E = Error

• Message class: MD_LOG - Message Class of CMD log

• Message number: 102

• Message text: Could not save 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.

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 MD_LOG102 - Could not save BAL log ?

  The SAP error message MD_LOG102: Could not save BAL log typically indicates an issue with the logging mechanism in the SAP system, particularly 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 certain conditions.
  Causes:
  
  Database Issues: There may be problems with the database, such as insufficient space, database locks, or connectivity issues.
  Authorization Problems: The user executing the transaction may not have the necessary authorizations to write to the log.
  Configuration Issues: Incorrect configuration settings for the logging mechanism or the application itself.
  System Performance: High system load or performance issues may prevent the log from being saved.
  Temporary System Errors: Transient errors in the system that may resolve themselves after some time.
  
  Solutions:
  
  Check Database Space: Ensure that there is sufficient space in the database. You can check the database tablespace and free space.
  Review Authorizations: Verify that the user has the necessary authorizations to create and save logs. You may need to check roles and profiles assigned to the user.
  Check System Logs: Look into the system logs (transaction SLG1) for more detailed error messages that can provide insights into the issue.
  Restart the Application: Sometimes, simply restarting the application or the relevant transaction can resolve temporary issues.
  Check Configuration: Review the configuration settings related to the Business Application Log to ensure they are set up correctly.
  Monitor System Performance: Use transaction ST03N or ST22 to monitor system performance and check for any performance bottlenecks.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it appears to be a bug or a more complex issue.
  
  Related Information:
  
  Transaction SLG1: This transaction can be used to view the application logs and may provide more context on the error.
  Transaction SM21: This transaction allows you to check the system log for any related errors or warnings.
  Transaction ST22: This transaction is used to analyze dumps that may have occurred, which could be related to the error.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  By following these steps, you should be able to diagnose and potentially resolve the MD_LOG102 error in your SAP system.