How To Fix 25066 - Error whilst application log was being written

SAP Error Message - Details

• Message type: E = Error

• Message class: 25 - DDS: document distribution (DMS)

• Message number: 066

• Message text: Error whilst application log was being written

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message 25066 - Error whilst application log was being written ?

  The SAP error message 25066, which states "Error whilst application log was being written," typically indicates that there was an issue when the system attempted to write an entry to the application log. This can occur for various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Database Issues: There may be problems with the database, such as connectivity issues, database locks, or insufficient space in the database tables.
  Authorization Problems: The user may not have the necessary authorizations to write to the application log.
  Application Log Table Issues: The application log tables (like SLG1 or SLG0) may be corrupted or have reached their maximum size.
  System Configuration: Incorrect configuration settings in the application log settings could lead to this error.
  Transport Issues: If the application log is being transported between systems, there may be inconsistencies or issues in the transport process.
  
  Solutions:
  
  Check Database Status: Ensure that the database is up and running without any issues. Check for locks or space issues in the database.
  Review Authorizations: Verify that the user has the necessary authorizations to write to the application log. You can check this in transaction SU53 or by reviewing the user's roles and authorizations.
  Check Application Log Tables: Use transaction SLG1 to check the application log entries. If the tables are full, consider archiving old logs or increasing the size of the log tables.
  Review Configuration: Check the configuration settings for application logging in transaction SLG0 to ensure they are set up correctly.
  Check for Transport Issues: If the issue arose after a transport, review the transport logs and ensure that all objects were transported correctly.
  System Logs: Check the system logs (transaction SM21) for any related errors or warnings that could provide more context about the issue.
  
  Related Information:
  
  Transaction Codes:
  
  SLG1: Display Application Log
  SLG0: Application Log Management
  SM21: System Log
  SU53: Authorization Check
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to application logging.
  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, it may be necessary to involve your SAP Basis team or SAP support for further investigation.