How To Fix CNV_20700020 - Mapping maintenance ignored for material numbers

CNV_20700020 - Overview

• Message type: E = Error

• Message class: CNV_20700 - Material number conversion

• Message number: 020

• Message text: Mapping maintenance ignored for material numbers

What causes this issue?

In the activity <ZK>Specify Mapping Values</> you have ignored the
mapping maintenance. This means you want to convert the material numbers
only based on number range intervals.

System Response

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

How to fix this error?

If you want to maintain the mapping, re-execute the activity
<ZK>Specify Mapping Values</> and maintain the mapping accordingly.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_20700020 - Details

• The SAP error message CNV_20700020 indicates that there is an issue with the mapping maintenance for material numbers during a data migration or conversion process, typically related to the SAP S/4HANA migration or similar data transfer activities.
  
  Cause:
  The error message CNV_20700020 can occur due to several reasons, including:
  
  
  Missing Mapping Entries: The mapping table for material numbers may not have the necessary entries, leading to the system being unable to find the corresponding mapping for the material numbers being processed.
  
  
  Incorrect Configuration: There may be a misconfiguration in the mapping settings or the data migration tool being used, which prevents the system from recognizing the material numbers correctly.
  
  
  Data Integrity Issues: The material numbers being processed may not exist in the source system or may have been incorrectly formatted, leading to issues during the mapping process.
  
  
  Authorization Issues: The user executing the mapping may not have the necessary authorizations to access or modify the mapping