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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100628 - Other account &1 &2 was maintained in other mapping table ?

  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 each account is uniquely defined in the mapping tables.
  
  
  
  Consolidate Mappings:
  
  If the same account is required in multiple contexts, consider consolidating the mappings to avoid conflicts.
  Create a single mapping entry that can be referenced appropriately.
  
  
  
  Adjust Configuration:
  
  Review the configuration settings in the migration tool to ensure that they are set up correctly.
  Make sure that the mapping logic aligns with the intended data structure and business requirements.
  
  
  
  Data Cleansing:
  
  If the source data has inconsistencies, perform data cleansing to ensure that the accounts are correctly defined and do not conflict with each other.
  
  
  
  Testing:
  
  After making adjustments, run a test migration to verify that the error has been resolved and that the data is being mapped correctly.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or known issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its mapping functionalities, as understanding how it processes mappings can help prevent such errors.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, providing insights or solutions from other users.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it effectively.