How To Fix CNV_20100628 - Other account &1 &2 was maintained in other mapping table

CNV_20100628 - Overview

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 628

• Message text: Other account &1 &2 was maintained in other mapping table

What causes this issue?

The system found that the mapping table for other accounts contains
account/cost element &V1& &V2&.

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

System Response

This account/cost element also exists either in the mapping table for
G/L accounts / primary cost elements or in the mapping table for
secondary cost elements.
An object must not be included in more than one mapping tables, because
this would lead to the checks being incomplete, and errors may occur in
phase <ZK>Conversion</>.

How to fix this error?

Maintain G/L accounts / primary cost elements in the mapping table for
G/L accounts / primary cost elements and secondary cost elements in the
mapping table for secondary cost elements.

Error message extract from SAP system. Copyright SAP SE.

CNV_20100628 - Details

• The SAP error message CNV_20100628 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a conflict in the mapping of accounts, where the same account is being referenced in multiple mapping tables, leading to ambiguity in the data migration process.
  
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Entries: The same account is defined in multiple mapping tables, which can happen if there are overlapping or conflicting mappings.
  Incorrect Mapping: The mapping configuration may not be set up correctly, leading to references to the same account in different contexts.
  Data Integrity Issues: There may be issues with the source data that lead to inconsistencies in how accounts are mapped.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Review Mapping Tables:
  
  Check the mapping tables involved in the migration process. Look for duplicate entries for the same account.
  Ensure that