How To Fix CNV_20700052 - Duplicate target material numbers found: &1 => &2 and &3 => &4

CNV_20700052 - Overview

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 052

• Message text: Duplicate target material numbers found: &1 => &2 and &3 => &4

What causes this issue?

Two different source material numbers were mapped to the same target
material number.

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

Example:
A => C
D => C

System Response

This would amount to merging the two material numbers. This scenario is
<ZH>not</> supported by this package.

How to fix this error?

Correct the mapping table accordingly.

Error message extract from SAP system. Copyright SAP SE.

CNV_20700052 - Details

• The SAP error message CNV_20700052 indicates that there are duplicate target material numbers found during a data migration or conversion process. This typically occurs in the context of using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer methods.
  
  Cause:
  The error arises when the system detects that multiple source material numbers are being mapped to the same target material number. This can happen due to:
  
  Data Duplication: The source data may contain duplicate entries for materials that are being migrated.
  Incorrect Mapping: The mapping configuration may incorrectly point multiple source materials to the same target material.
  Data Quality Issues: Poor data quality in the source system can lead to duplicates that were not previously identified.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Review the source data to identify the duplicate material numbers. You can use SQL queries or data analysis tools to find duplicates in the source