How To Fix CNV_20100175 - Other account &1 was also maintained in G/L account mapping

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 175

• Message text: Other account &1 was also maintained in G/L account mapping

What causes this issue?

The system found that the old account &V1&, which is contained in
mapping table for 'other accounts', also appears as an old account in
mapping table for old and new accounts and primary cost elements.

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

System Response

This is not allowed. The account is a G/L account or primary cost
element and consequently cannot be included in the mapping table for
other accounts.

How to fix this error?

Delete the account &V1& from the mapping table for 'other accounts'.
&ADDITIONAL_HINTS&
Note that no further consistency checks will be made while this
inconsistency in the mapping table exists.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100175 - Other account &1 was also maintained in G/L account mapping ?

  The SAP error message CNV_20100175 indicates that there is a conflict in the G/L account mapping during a data migration or conversion process. Specifically, it suggests that the system has detected that another account (denoted as &1) has also been maintained in the G/L account mapping, which can lead to ambiguity or conflicts in the data being processed.
  Cause:
  
  Duplicate Mapping: The error typically arises when the same G/L account is mapped to multiple source accounts in the mapping table. This can happen if the mapping was not set up correctly or if there was an oversight during the configuration.
  Incorrect Configuration: There may be an error in the configuration of the mapping settings, leading to multiple entries for the same G/L account.
  Data Migration Issues: If you are migrating data from another system, there may be inconsistencies in how accounts were defined or mapped.
  
  Solution:
  
  Review G/L Account Mapping: Check the G/L account mapping configuration in the relevant transaction (e.g., transaction code OBY6 for G/L account mapping). Look for duplicate entries for the same G/L account.
  Remove Duplicates: If you find that the same G/L account is mapped to multiple source accounts, you will need to decide which mapping is correct and remove or adjust the duplicates accordingly.
  Validate Mapping Logic: Ensure that the logic used for mapping accounts is sound and that each source account is mapped to a unique G/L account.
  Test the Changes: After making adjustments, test the mapping again to ensure that the error does not reoccur.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are using, as there may be additional guidelines or best practices.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OBY6 (G/L Account Mapping) and others related to data migration.
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional context or solutions.
  Data Migration Tools: If you are using a specific tool for data migration (like SAP S/4HANA Migration Cockpit), consult the tool's documentation for best practices and troubleshooting tips.
  Support: If the issue persists after troubleshooting, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to resolve the CNV_20100175 error and ensure that your G/L account mapping is correctly configured.