How To Fix S1804 - Cannot read detailed log &.&

SAP Error Message - Details

• Message type: E = Error

• Message class: S1 - Statistik / SAP-Monitor

• Message number: 804

• Message text: Cannot read detailed log &.&

What causes this issue?

The system was unable to read the given protocol.

System Response

Processing continues.

How to fix this error?

Normally this message would mean that the protocol really doesn't
exist. It could also be the result of a "permissions" problem, i.e.,
that the user who started the SAP system is not authorized to read the
given file.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message S1804 - Cannot read detailed log &.& ?

  The SAP error message S1804 "Cannot read detailed log" typically indicates that there is an issue with accessing the detailed log for a specific process or transaction. This error can occur in various contexts, such as during batch processing, job scheduling, or when trying to view logs for specific transactions.
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to access the detailed log.
  Log File Corruption: The log file may be corrupted or not properly generated.
  System Configuration: There may be issues with the configuration of the logging mechanism in the SAP system.
  Database Issues: Problems with the underlying database could prevent access to the log data.
  Temporary System Issues: The SAP system may be experiencing temporary issues that affect log access.
  
  Solutions:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to view the logs. This can be done by checking the user's roles and permissions in the SAP system.
  Review Log Settings: Check the configuration settings for logging in the SAP system. Ensure that logging is enabled and configured correctly.
  Check for Corruption: If you suspect that the log file is corrupted, you may need to investigate further. This could involve checking the file system or database for issues.
  Restart the Process: If the error occurred during a specific process, try restarting that process to see if the issue resolves itself.
  System Monitoring: Monitor the system for any ongoing issues that could affect log access. This may involve checking system logs or performance metrics.
  Consult SAP Notes: Look for relevant SAP Notes or documentation that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like SM37 (Job Monitoring) or SLG1 (Application Log) to gather more information about the logs and any related errors.
  SAP Community: The SAP Community forums can be a valuable resource for finding similar issues and solutions shared by other users.
  System Logs: Check system logs (transaction SM21) for any related error messages that might provide additional context for the issue.
  
  By following these steps, you should be able to diagnose and potentially resolve the S1804 error in your SAP system.