How To Fix CNV_20100265 - CoA merge: Implicit merge of secondary cost element &1 with G/L acct &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 265

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

What causes this issue?

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

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100265 - CoA merge: Implicit merge of secondary cost element &1 with G/L acct &2 ?

  The SAP error message CNV_20100265 indicates an issue during the conversion process related to the merging of secondary cost elements with General Ledger (G/L) accounts. This typically occurs in the context of data migration or system conversion, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Cause:
  The error message suggests that there is an implicit merge happening between a secondary cost element and a G/L account. This can occur due to several reasons:
  
  Data Inconsistency: There may be inconsistencies in the mapping of cost elements to G/L accounts, leading to conflicts during the merge process.
  Configuration Issues: The configuration settings for cost elements and G/L accounts may not align properly, causing the system to attempt an implicit merge that is not valid.
  Duplicate Entries: There may be duplicate entries for cost elements or G/L accounts in the system, which can lead to confusion during the merging process.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Mapping: Review the mapping of secondary cost elements to G/L accounts in your migration settings. Ensure that each cost element is correctly mapped to a unique G/L account.
  
  
  Data Validation: Validate the data in your source system to ensure there are no duplicates or inconsistencies. This may involve checking the configuration of cost elements and G/L accounts.
  
  
  Adjust Configuration: If necessary, adjust the configuration settings in your SAP system to ensure that the cost elements and G/L accounts are set up correctly and do not conflict with each other.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration or conversion process you are undertaking. There may be specific guidelines or best practices that can help you avoid this error.
  
  
  Use Transaction Codes: Utilize transaction codes like OBY6 (for G/L account settings) and KA01 (for creating cost elements) to review and adjust the relevant settings.
  
  
  Seek Support: If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific system configuration and migration scenario.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it may provide additional tools or options for handling data migration issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.