How To Fix CNV_20100315 - __G/L accounts and cost elements in CoA &1 are unique

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 315

• Message text: __G/L accounts and cost elements in CoA &1 are unique

What causes this issue?

G/L accounts and cost elements in chart of accounts &V1& can be uniquely
identified with this chart of accounts, that is, their IDs are not used
in any other chart of accounts in the given SAP system.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100315 - __G/L accounts and cost elements in CoA &1 are unique ?

  The SAP error message CNV_20100315 indicates that there is a uniqueness issue with General Ledger (G/L) accounts and cost elements in the Chart of Accounts (CoA) during a data migration or conversion process. This error typically arises in the context of SAP S/4HANA migrations or when using the SAP Conversion Tools.
  Cause:
  The error occurs when the system detects that there are duplicate G/L accounts or cost elements in the specified Chart of Accounts. This can happen due to:
  
  Duplicate Entries: There are multiple entries for the same G/L account or cost element in the source data.
  Incorrect Mapping: During the mapping of accounts from the legacy system to the new system, the same account might have been mapped to multiple entries.
  Data Quality Issues: Poor data quality in the source system can lead to duplicates being present.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Review the data in the source system to identify any duplicate G/L accounts or cost elements.
  Use transaction codes like FS00 (G/L Account Master) or OKB9 (Cost Element Master) to check for duplicates.
  
  
  
  Clean Up Data:
  
  Remove or consolidate duplicate entries in the source system.
  Ensure that each G/L account and cost element is unique before proceeding with the migration.
  
  
  
  Adjust Mapping:
  
  If the duplicates are due to incorrect mapping, review the mapping configuration in the migration tool and correct any errors.
  
  
  
  Re-run the Migration:
  
  After cleaning up the data and ensuring uniqueness, re-run the migration process to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or best practices.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional insights or solutions for this specific error.
  Migration Tools: Familiarize yourself with the SAP S/4HANA Migration Cockpit or other tools you are using, as they may have specific requirements or configurations that need to be adhered to.
  Data Validation: Implement data validation checks in your migration process to catch such issues early on.
  
  By following these steps, you should be able to resolve the CNV_20100315 error and successfully complete your migration or conversion process.