How To Fix CNV20333019 - New derivation. Existing mapping will be overwritten

CNV20333019 - Overview

• Message type: E = Error

• Message class: CNV20333 - Message class for package 20333 (OBJID_VD)

• Message number: 019

• Message text: New derivation. Existing mapping will be overwritten

Self-Explanatory Message

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CNV20333019 - Details

• The SAP error message CNV20333019 typically occurs during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This message indicates that a new derivation is being created, and it will overwrite an existing mapping. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Duplicate Mapping: The error arises when there is an attempt to create a new mapping for a data field that already has an existing mapping in the system. This can happen if the same source data is being mapped to multiple target fields or if there are conflicting rules for data transformation.
  
  Configuration Issues: There may be issues in the configuration of the migration project, such as incorrect settings or parameters that lead to conflicts in the mapping definitions.
  
  
  Solution:
  
  Review Existing Mappings: Check the existing mappings in the migration cockpit or the relevant configuration area. Identify the mappings that are causing the