How To Fix CNV_20100263 - Implicit merge of secondary CostEl &1 with G/L acct &2 due to CoA change

CNV_20100263 - Overview

• Message type: E = Error

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

• Message number: 263

• Message text: Implicit merge of secondary CostEl &1 with G/L acct &2 due to CoA change

What causes this issue?

It was found that secondary cost element &V1& will be changed into &V3&
in connection with a change to the chart of accounts. However there is
a G/L account &V2& which is not going to be changed.

System Response

This amounts to an implicit merge of secondary cost element &V1& and
G/L account &V2&, which is not allowed.
The conversion cannot be executed.

How to fix this error?

The mapping table must be changed accordingly.

Error message extract from SAP system. Copyright SAP SE.

CNV_20100263 - Details

• The SAP error message CNV_20100263 indicates an issue related to the implicit merging of secondary cost elements with a General Ledger (G/L) account due to a change in the Chart of Accounts (CoA). This typically occurs during data migration or when there are changes in the configuration of the financial accounting structure.
  
  Cause:
  
  Chart of Accounts Change: The error arises when there is a change in the Chart of Accounts that affects how cost elements are mapped to G/L accounts. This can happen during a system upgrade, migration, or when the CoA is modified.
  Cost Element Configuration: The secondary cost elements may not be properly aligned with the new G/L accounts after the CoA change, leading to an implicit merge.
  Data Migration Issues: If you are migrating data from one system to another, inconsistencies in the mapping of cost elements to G/L accounts can trigger this error.
  
  
  Solution:
  
  Review CoA Changes: Check the changes made to