How To Fix CNV_10996144 - New field &1 &2 found, but is already in CNV tables

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10996 - Messages for archive conversion

• Message number: 144

• Message text: New field &1 &2 found, but is already in CNV tables

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_10996144 - New field &1 &2 found, but is already in CNV tables ?

  The SAP error message CNV_10996144 indicates that during a data migration or conversion process, a new field has been detected, but it is already present in the CNV (Conversion) tables. This typically occurs in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion scenarios.
  Cause:
  
  
  Duplicate Field Definition: The error suggests that the system has identified a new field that is supposed to be added to the CNV tables, but it has already been defined in those tables. This can happen if:
  
  The field was previously added but not properly removed or updated.
  There are inconsistencies in the data model or migration configuration.
  The migration process is being run multiple times without proper cleanup.
  
  
  
  Configuration Issues: There may be issues in the configuration of the migration project, leading to the system not recognizing that the field is already present.
  
  
  Solution:
  
  
  Check CNV Tables: Review the CNV tables to confirm that the field in question is indeed present. You can do this by querying the relevant CNV tables in the database.
  
  
  Remove Duplicate Field: If the field is confirmed to be a duplicate, you may need to remove or adjust the definition of the field in the migration configuration. This may involve:
  
  Modifying the migration project settings.
  Deleting the field from the CNV tables if it is not needed.
  
  
  
  Update Migration Configuration: Ensure that your migration configuration is up to date and does not include references to fields that are already defined in the CNV tables.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using. There may be specific guidelines or troubleshooting steps provided for handling such errors.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide insights based on the specific context of your migration project.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional context.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can share their solutions.
  
  By following these steps, you should be able to resolve the error CNV_10996144 and proceed with your data migration successfully.