How To Fix CNV_20100266 - CoA merge: Impl. merge of sec. CostEl &1 with G/L acct &2 due to CoA chng

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 266

• Message text: CoA merge: Impl. merge of sec. CostEl &1 with G/L acct &2 due to CoA chng

What causes this issue?

The system 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 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.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100266 - CoA merge: Impl. merge of sec. CostEl &1 with G/L acct &2 due to CoA chng ?

  The SAP error message CNV_20100266 is related to the merging of secondary cost elements with G/L accounts during a change in the Chart of Accounts (CoA). This typically occurs during a migration or upgrade process when the system is trying to reconcile or merge cost elements and G/L accounts due to changes in the CoA structure.
  Cause:
  
  Chart of Accounts Change: The error arises when there is a change in the Chart of Accounts, and the system attempts to merge secondary cost elements with G/L accounts that are affected by this change.
  Inconsistent Data: There may be inconsistencies in the mapping of cost elements to G/L accounts, leading to conflicts during the merge process.
  Configuration Issues: Incorrect configuration settings in the financial accounting module or during the migration process can also lead to this error.
  
  Solution:
  
  Review CoA Changes: Check the changes made to the Chart of Accounts. Ensure that the mappings between secondary cost elements and G/L accounts are correctly defined.
  Data Consistency Check: Perform a consistency check on the data to identify any discrepancies between cost elements and G/L accounts. This may involve reviewing the configuration in the SAP system.
  Manual Adjustments: If necessary, manually adjust the mappings or configurations to resolve the conflicts. This may involve creating new mappings or modifying existing ones.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version you are using for any additional guidance on handling CoA changes and related errors.
  Engage SAP Support: If the issue persists, consider reaching out to SAP support for assistance. They can provide insights based on the specific context of your system and the changes made.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBY6 (for CoA settings) or OKEQ (for cost element settings) to review and adjust configurations.
  Migration Tools: If you are using SAP S/4HANA or other migration tools, ensure that you are following the recommended procedures for handling CoA changes.
  Testing: After making adjustments, conduct thorough testing to ensure that the changes do not affect other areas of the financial accounting module.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the error CNV_20100266 effectively.