How To Fix CNV10400668 - Char. &1: Reference field &2-&3 does not exist/is not conv. relevant

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV10400 - Messages for package 10400 (characteristics)

• Message number: 668

• Message text: Char. &1: Reference field &2-&3 does not exist/is not conv. relevant

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV10400668 - Char. &1: Reference field &2-&3 does not exist/is not conv. relevant ?

  The SAP error message CNV10400668 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 reference field specified in the migration process does not exist or is not relevant for conversion.
  Cause:
  
  Non-Existent Field: The field specified in the error message (&2-&3) does not exist in the target structure or table.
  Field Not Conversion Relevant: The field exists but is not marked as relevant for conversion in the context of the migration.
  Incorrect Mapping: There may be an issue with the mapping of fields between the source and target systems, leading to a mismatch.
  Data Model Changes: If there have been changes in the data model (e.g., during an upgrade or migration to S/4HANA), certain fields may have been removed or renamed.
  
  Solution:
  
  Check Field Existence: Verify that the field specified in the error message exists in the target structure. You can do this by checking the data dictionary (SE11) or the relevant table definitions.
  Review Conversion Relevance: Ensure that the field is marked as conversion relevant in the migration settings. This may involve checking the configuration of the migration object.
  Adjust Mapping: If the field is not correctly mapped, adjust the mapping in the migration cockpit or the relevant migration tool to ensure that the source field corresponds to a valid target field.
  Consult Documentation: Review the migration documentation for the specific object you are working with to ensure that you are following the correct procedures and that all necessary fields are included.
  Data Model Review: If you suspect that the data model has changed, review the release notes or migration guides provided by SAP for any changes that may affect your migration.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on the migration process.
  Migration Cockpit Documentation: Refer to the official SAP documentation for the Migration Cockpit, which provides detailed information on how to handle data migration and common issues.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.