How To Fix CNV_20800200 - Customer &1 (to be converted) is already mapped to another value: &3

CNV_20800200 - Overview

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 200

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

What causes this issue?

Your mapping table contains the following entry: &V1& -> &V2&
However there is also another mapping for &V1& -> &V3&.

System Response

The system does not accept this row.

How to fix this error?

Check the mapping and decide which of the two values you want to be the
target value for &V1&.

Error message extract from SAP system. Copyright SAP SE.

CNV_20800200 - Details

• The SAP error message CNV_20800200 indicates that during a data conversion process, a customer (identified by &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 system upgrades.
  
  Cause:
  
  Duplicate Mapping: The customer record you are trying to map is already associated with a different value in the conversion mapping table. This can happen if there are overlapping or conflicting mappings in the data conversion process.
  Data Integrity Issues: There may be inconsistencies in the source data, such as duplicate customer entries or incorrect mappings that have not been resolved prior to the conversion.
  Configuration Errors: Incorrect configuration settings in the conversion tool or migration project can lead to this error.
  
  
  Solution:
  
  Review Mapping Entries: Check the mapping table or configuration settings to identify where the customer &1 is already mapped. You may need to resolve