How To Fix CNV_20900200 - Vendor &1 (to be converted) is already mapped to another value: &3

CNV_20900200 - Overview

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 200

• Message text: Vendor &1 (to be converted) is already mapped to another value: &3

What causes this issue?

Your mapping table contains the following entry:
&V1& -> &V3&
However Vendor &V1& is also mapped to the vendor &V2&.

System Response

The row will not be transferred.

How to fix this error?

Check your mapping and decide to which value you want to map &V1&.

Error message extract from SAP system. Copyright SAP SE.

CNV_20900200 - Details

• The SAP error message CNV_20900200 indicates that during a data conversion process, a vendor (identified by the placeholder &1) is already mapped to another value (identified by &3). This typically occurs in the context of data migration or conversion projects, particularly when using SAP's Conversion Tools or during the migration of vendor data from one system to another.
  
  Cause:
  
  Duplicate Mapping: The vendor in question is already associated with a different value in the mapping table. This can happen if there are multiple entries for the same vendor in the source data or if there are conflicting mappings in the conversion settings.
  Data Integrity Issues: There may be inconsistencies in the source data, such as duplicate vendor IDs or incorrect mappings that lead to conflicts during the conversion process.
  Configuration Errors: Incorrect configuration in the mapping settings or conversion rules can lead to this error.
  
  
  Solution:
  
  Check Mapping Table: Review the mapping table to identify where