How To Fix CNV20410052 - Source field &1 without field mapping and without target field

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20410 - message class for package 20410 (operating concern merge)

• Message number: 052

• Message text: Source field &1 without field mapping and without target field

What causes this issue?

Source table field &V1& has no field mapping.
Field &V3& does not exist in target table &V2&.
As a consequence the contents of source table field &V1& gets lost.

System Response

Warning

How to fix this error?

Check the field mapping settings.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20410052 - Source field &1 without field mapping and without target field ?

  The SAP error message CNV20410052 indicates that there is a source field in your data migration or conversion process that does not have a corresponding target field defined in the mapping. This typically occurs during data migration projects, especially when using tools like SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  
  Missing Field Mapping: The source field is present in the source data but has not been mapped to any target field in the target system.
  Incorrect Configuration: The mapping configuration may be incomplete or incorrectly set up, leading to the absence of a target field for the source field.
  Data Model Changes: If there have been changes in the data model (e.g., during an upgrade or migration), some fields may no longer exist in the target system.
  Field Exclusion: The field may have been intentionally excluded from the mapping process, either due to business decisions or data relevance.
  
  Solution:
  
  
  Check Mapping Configuration:
  
  Review the mapping configuration in the data migration tool you are using. Ensure that all source fields have corresponding target fields defined.
  If the source field is necessary for the target system, create a mapping for it.
  
  
  
  Update Data Model:
  
  If the source field is no longer relevant or needed in the target system, you may need to adjust your data extraction or transformation logic to exclude it.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation for the specific migration tool you are using. There may be guidelines on how to handle field mappings and common issues.
  
  
  
  Testing:
  
  After making changes to the mapping, perform a test migration to ensure that the error is resolved and that data is being correctly mapped.
  
  
  
  Engage SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support for assistance. They can provide insights based on the specific context of your migration project.
  
  
  
  Related Information:
  
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, familiarize yourself with its mapping capabilities and how to define source-to-target mappings.
  Data Migration Best Practices: Review best practices for data migration, including data cleansing, validation, and testing strategies.
  Field Mapping Documentation: Check for any available templates or documentation that outline the expected mappings for your specific migration scenario.
  
  By addressing the mapping issue and ensuring that all necessary fields are accounted for, you should be able to resolve the CNV20410052 error and proceed with your data migration successfully.