How To Fix CNV20410055 - Source field &1 without field mapping, target field has mapping assigned

CNV20410055 - Overview

• Message type: E = Error

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

• Message number: 055

• Message text: Source field &1 without field mapping, target field has mapping assigned

What causes this issue?

Source table field &V1& has no field mapping.
The target table has the same field &V2&. However this target field has
already a mapping assigned.
As a consequence the contents of source table field 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.

CNV20410055 - Details

• The SAP error message CNV20410055 indicates that there is a mismatch in the field mapping during a data migration or conversion process. Specifically, it means that a source field (denoted as &1) does not have a corresponding field mapping defined, while the target field has a mapping assigned. This situation typically arises in the context of data migration projects, especially when using tools like SAP's Data Migration Workbench or similar conversion tools.
  
  Cause:
  
  Missing Mapping: The source field is not mapped to any target field, which means that the data from this source field will not be transferred to the target system.
  
  Configuration Issues: There may be a configuration issue in the mapping settings where the source field was not included in the mapping process.
  Data Model Changes: Changes in the data model between the source and target systems may lead to certain fields being omitted from the mapping.
  Incorrect Migration Template: The migration template