How To Fix CNV_20100262 - Implicit merge of secondary cost element &1 with G/L account &2

CNV_20100262 - Overview

• Message type: E = Error

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

• Message number: 262

• Message text: Implicit merge of secondary cost element &1 with G/L account &2

What causes this issue?

The system found that the secondary cost element &V1& is converted into
&V3& (according to the mapping). However there is already a G/L account
&V2&, which is also converted into &V3&.

System Response

In effect, this means that a secondary cost element (&V1&) and a G/L
account (&V2&) are going to be merged (implicit merge). This is not
allowed.
The conversion cannot take place.

How to fix this error?

The mapping table must be adjusted accordingly.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

CNV_20100262 - Details

• The SAP error message CNV_20100262, which indicates an "Implicit merge of secondary cost element &1 with G/L account &2," typically arises during the migration or conversion process when there is a conflict between secondary cost elements and G/L accounts. This error is often encountered in the context of data migration projects, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  
  Cause:
  
  Data Conflict: The error occurs when the system detects that a secondary cost element (which is used for internal cost allocation) is being implicitly merged with a G/L account (which is used for external financial reporting). This can happen if the same account is being used for both purposes, leading to confusion in the financial reporting structure.
  
  Configuration Issues: There may be configuration issues in the chart of accounts or in the cost element structure that lead to this conflict.
  Data Migration Issues: During data migration, if the mapping of cost