How To Fix CNV_BASIS_UTILITIES005 - Log handler already exists - should not occur!!

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_BASIS_UTILITIES - Basis utilities (application log etc. for MWB + CCW)

• Message number: 005

• Message text: Log handler already exists - should not occur!!

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_BASIS_UTILITIES005 - Log handler already exists - should not occur!! ?

  The SAP error message CNV_BASIS_UTILITIES005 indicates that there is an issue with the log handler in the context of a conversion or migration process. This error typically arises when the system attempts to create a log handler that already exists, which should not happen under normal circumstances.
  Cause:
  
  Duplicate Log Handler: The most common cause of this error is that the log handler for the conversion process has already been instantiated, and the system is trying to create it again.
  Concurrency Issues: If multiple processes are trying to create the log handler simultaneously, it can lead to this error.
  Incomplete Cleanup: If a previous conversion or migration process did not complete successfully, it might leave behind an active log handler that is not properly cleaned up.
  
  Solution:
  
  Check Existing Log Handlers: Investigate if there are any existing log handlers that are still active. You can do this by checking the relevant transaction logs or using transaction codes like SLG1 (Application Log) to see if there are any entries related to the conversion process.
  Terminate Duplicate Processes: If you find that there are multiple instances of the conversion process running, terminate the unnecessary ones to avoid conflicts.
  Restart the Process: After ensuring that there are no active log handlers, restart the conversion or migration process.
  System Cleanup: If the issue persists, consider performing a cleanup of the logs and temporary data related to the conversion process. This may involve deleting old log entries or resetting the state of the conversion.
  Check for Notes and Patches: Look for any SAP Notes or patches related to this error message. SAP frequently releases updates that may address known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SLG1 (to view application logs) and SM37 (to monitor background jobs) to help diagnose the issue.
  SAP Notes: Search the SAP Support Portal for any relevant notes that might provide additional context or solutions for this specific error.
  Documentation: Review the documentation for the specific conversion or migration tool you are using, as it may have specific guidelines or troubleshooting steps for handling log handlers.
  
  If the problem continues after trying the above solutions, it may be beneficial to reach out to SAP support for further assistance, providing them with detailed logs and context about the error.