How To Fix CNV_NCE_BAS451 - One-to-one mappings for object will not be processed

CNV_NCE_BAS451 - Overview

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 451

• Message text: One-to-one mappings for object will not be processed

What causes this issue?

Object interval was selected for <zk>Not to be converted</>.
But there is at least one mapping value (old number, new number) defined
in the One-to-One Mapping screen. This mapping will not be considered
with the current settings.

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?

Check one-to-one mapping values for relevance. Then either change rule
accordingly or remove irrelevant one-to-one mapping values.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_NCE_BAS451 - Details

• The SAP error message CNV_NCE_BAS451 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there are one-to-one mappings for a specific object that will not be processed, which can hinder the data migration process.
  
  Cause:
  The error can be caused by several factors, including:
  
  Missing Mapping Entries: The mapping for the object in question may not be defined correctly or may be missing entirely.
  Inconsistent Data: The data being migrated may not conform to the expected format or structure, leading to issues in mapping.
  
  Configuration Issues: There may be configuration settings in the migration tool that are not set up correctly, preventing the processing of one-to-one mappings.
  Data Model Changes: If there have been changes in the data model between the source and target systems, this can lead to discrepancies in how data is mapped.
  
  
  Solution:
  To resolve the CNV_NCE_BAS451 error, you