How To Fix CNV_20700089 - Material &1 (to be converted) is already mapped to another value

CNV_20700089 - Overview

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 089

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

What causes this issue?

Two material number records maintained with the same old material number
in mapping.
For example: A -> B and A -> C maintained in mapping
This scenario is not supported by this Package.

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

System Response

How to fix this error?

Correct the mapping and check again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_20700089 - Details

• The SAP error message CNV_20700089 indicates that during a data conversion or migration process, a material (identified by &1) is already mapped to another value. This typically occurs in scenarios where you are using SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools, and it suggests that there is a conflict in the mapping of materials.
  
  Cause:
  
  Duplicate Mapping: The material you are trying to convert is already associated with a different value in the mapping table. This can happen if the same material number is being mapped to multiple target values.
  Data Integrity Issues: There may be inconsistencies in the source data, such as duplicate entries or incorrect mappings that have not been resolved prior to the conversion.
  Configuration Errors: Incorrect configuration in the migration tool or mapping settings can lead to this error.
  
  
  Solution:
  
  Check Mapping Table: Review the mapping table to identify where the material is already