How To Fix CNV20400203 - Field &1-&2 was converted in split, but is not in CNVFIELDS for merge

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20400 - Message class CNV20400

• Message number: 203

• Message text: Field &1-&2 was converted in split, but is not in CNVFIELDS for merge

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20400203 - Field &1-&2 was converted in split, but is not in CNVFIELDS for merge ?

  The SAP error message CNV20400203 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that a field that was converted in a split operation is not found in the CNVFIELDS table for a merge operation. 
  Cause:
  
  Data Mapping Issues: The field in question may not be properly mapped in the conversion settings. This can happen if the field is expected to be merged but is not defined in the CNVFIELDS table.
  Configuration Errors: There may be a misconfiguration in the migration project, where the field is not included in the necessary configuration for the merge operation.
  Inconsistent Data: The data being processed may have inconsistencies or issues that prevent it from being correctly merged after being split.
  
  Solution:
  
  Check Configuration: Review the configuration settings for the data migration project. Ensure that all necessary fields are included in the CNVFIELDS table and that they are correctly defined for both split and merge operations.
  Update Mapping: If the field is missing from the CNVFIELDS table, you may need to add it manually or adjust the mapping to ensure it is included in the merge process.
  Data Validation: Validate the data being processed to ensure there are no inconsistencies or errors that could be causing the issue. Clean up any problematic records before running the migration again.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using. There may be additional guidelines or troubleshooting steps provided for this error.
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific scenario.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may 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 SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.