How To Fix CNV042 - Duplicate processing type set to &2 for table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 042

• Message text: Duplicate processing type set to &2 for table &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV042 - Duplicate processing type set to &2 for table &1 ?

  The SAP error message CNV042 indicates that there is a duplicate processing type set for a specific table during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion programs.
  Cause:
  The error occurs when the same processing type is assigned multiple times for a single table in the migration configuration. This can happen due to:
  
  Configuration Errors: Incorrect or duplicate entries in the migration configuration settings.
  Data Model Changes: Changes in the data model that lead to multiple processing types being assigned to the same table.
  Custom Development: Custom code or enhancements that inadvertently create duplicate processing types.
  
  Solution:
  To resolve the CNV042 error, you can follow these steps:
  
  
  Check Configuration:
  
  Go to the migration or conversion tool configuration.
  Review the processing types assigned to the specified table (&1).
  Ensure that each processing type is unique for that table.
  
  
  
  Remove Duplicates:
  
  If you find duplicate entries, remove or correct them to ensure that each processing type is only assigned once.
  
  
  
  Review Documentation:
  
  Check the SAP documentation or notes related to the specific migration tool you are using for any known issues or additional guidance.
  
  
  
  Test the Changes:
  
  After making the necessary adjustments, re-run the migration or conversion process to verify that the error has been resolved.
  
  
  
  Consult SAP Support:
  
  If the issue persists, consider reaching out to SAP Support for further assistance, especially if it involves complex configurations or custom developments.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the migration tool, you may need to use specific transaction codes to access the configuration settings (e.g., LTMC for the Migration Cockpit).
  SAP Notes: Search for relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP to avoid similar issues in the future.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV042 error effectively.