How To Fix CNV_MBT415 - Modification of CNVMBTACTIVE failed.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT - PCL message class

• Message number: 415

• Message text: Modification of CNVMBTACTIVE failed.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT415 - Modification of CNVMBTACTIVE failed. ?

  The SAP error message CNV_MBT415: Modification of CNVMBTACTIVE failed typically occurs during the execution of a data migration or conversion process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there was an issue modifying the table CNVMBTACTIVE, which is part of the data migration framework.
  Causes:
  
  Database Locking: The table CNVMBTACTIVE might be locked by another process or transaction, preventing modifications.
  Authorization Issues: The user executing the migration might not have the necessary authorizations to modify the table.
  Data Integrity Issues: There may be data integrity issues or constraints that prevent the modification of the table.
  Technical Issues: There could be underlying technical issues such as database corruption or misconfiguration.
  
  Solutions:
  
  
  Check for Locks:
  
  Use transaction code SM12 to check for any locks on the CNVMBTACTIVE table. If you find any locks, you may need to wait for the other process to complete or manually release the lock if appropriate.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the migration has the necessary authorizations to modify the CNVMBTACTIVE table. You may need to consult with your SAP security team to verify and adjust authorizations.
  
  
  
  Check Data Integrity:
  
  Review the data in the CNVMBTACTIVE table for any inconsistencies or integrity issues. You may need to run consistency checks or validations.
  
  
  
  Database Health Check:
  
  Perform a health check on the database to ensure there are no underlying issues. This may involve checking for corruption or other technical problems.
  
  
  
  Review Logs:
  
  Check the application logs (transaction SLG1) for more detailed error messages or warnings that could provide additional context for the failure.
  
  
  
  Restart the Process:
  
  Sometimes, simply restarting the migration process can resolve transient issues.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check locks), SLG1 (to view application logs), and SE11 (to view table structure).
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit for best practices and troubleshooting tips.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to diagnose and resolve the CNV_MBT415 error effectively.