How To Fix CNV_MBT_46047 - Illegal key found

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_MBT_46 - PCL message class

• Message number: 047

• Message text: Illegal key found

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_MBT_46047 - Illegal key found ?

  The SAP error message CNV_MBT_46047 Illegal key found typically occurs during data migration processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there is an issue with the keys being used in the migration process, which may not conform to the expected format or may reference non-existent records.
  Causes:
  
  Invalid Key Format: The key being used may not match the expected format or structure defined in the target system.
  Missing Records: The key may reference a record that does not exist in the target system, leading to an illegal reference.
  Data Consistency Issues: There may be inconsistencies in the source data that violate referential integrity constraints in the target system.
  Configuration Issues: Incorrect configuration settings in the migration tool or mapping definitions can lead to this error.
  
  Solutions:
  
  Check Key Format: Verify that the keys being used in the migration process conform to the expected format. Ensure that they are correctly structured and valid.
  Validate Source Data: Review the source data to ensure that all referenced records exist and are valid. Look for any missing or incorrect entries.
  Data Mapping Review: Check the mapping definitions in the migration tool to ensure that they are correctly set up and that all necessary fields are included.
  Referential Integrity: Ensure that all foreign key relationships are maintained and that there are no orphaned records in the source data.
  Log Analysis: Review the detailed logs generated during the migration process for additional context on the error. This can provide insights into which specific keys are causing the issue.
  Testing: Conduct a test migration with a smaller dataset to isolate the issue and identify any problematic records or keys.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes or Knowledge Base Articles (KBAs) that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific migration tool you are using for best practices and guidelines.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed logs and context regarding the error.