How To Fix CNV_20100252 - Implicit merge of G/L account &1 with secondary cost element &2

CNV_20100252 - Overview

• Message type: E = Error

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

• Message number: 252

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

What causes this issue?

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

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

System Response

In effect, this means that a G/L account (&V1&) and a secondary cost
element (&V2&) are going to be merged. 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

Error message extract from SAP system. Copyright SAP SE.

CNV_20100252 - Details

• The SAP error message CNV_20100252, which indicates an "Implicit merge of G/L account &1 with secondary cost element &2," typically arises during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error suggests that there is a conflict between a General Ledger (G/L) account and a secondary cost element, which may be due to inconsistencies in the mapping of accounts during the migration process.
  
  Cause:
  
  Account Mapping Issues: The G/L account and the secondary cost element may have been incorrectly mapped or defined in the system, leading to a conflict.
  Data Inconsistencies: There may be inconsistencies in the data being migrated, such as duplicate entries or incorrect account types.
  Configuration Errors: The configuration settings in the SAP system may not align with the expected mappings for G/L accounts and cost elements.
  
  
  Solution:
  
  Review Account Mapping: Check the mapping of G/L accounts and secondary cost elements in the migration