How To Fix CNV_10020029 - Elementary relationship &1, target. obj.: Table fld &2-&3 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 029

• Message text: Elementary relationship &1, target. obj.: Table fld &2-&3 does not exist

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 CNV_10020029 - Elementary relationship &1, target. obj.: Table fld &2-&3 does not exist ?

  The SAP error message CNV_10020029 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 there is an issue with the mapping of fields in the target object, specifically that the elementary relationship for a specified field does not exist in the target table.
  Cause:
  
  Missing Target Fields: The target table does not have the specified field (or fields) that the source data is trying to map to. This can happen if the target structure has changed or if the migration mapping is incorrect.
  Incorrect Mapping: The mapping configuration may be incorrect, leading to references to fields that do not exist in the target structure.
  Data Model Changes: If there have been changes in the data model (for example, during an upgrade or migration to a new version of SAP), certain fields may have been removed or renamed.
  Configuration Issues: There may be issues in the configuration of the migration project, such as incorrect settings or missing definitions.
  
  Solution:
  
  Check Target Table Structure: Verify that the target table and the specified fields exist in the target system. You can do this by checking the Data Dictionary (SE11) in SAP.
  Review Mapping Configuration: Go through the mapping configuration in the migration tool to ensure that all fields are correctly mapped and that there are no references to non-existent fields.
  Update Migration Settings: If the target structure has changed, you may need to update your migration settings to reflect the new structure.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using to ensure that you are following the correct procedures and that your mappings are valid.
  Use Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to check the structure of the target table and SE80 (Object Navigator) to review the migration project.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a critical migration.
  
  Related Information:
  
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with its features and how to properly configure migration projects.
  Data Dictionary (SE11): This transaction allows you to view the structure of database tables and check for the existence of fields.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance related to this error message.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.