How To Fix CNV_20900241 - Old/New account group existence check:

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 241

• Message text: Old/New account group existence check:

What causes this issue?

New account group and Old account group specified in the mapping should
exist in Vendor account groups (T077K) table. If account group does not
exists in T077K, you will get an error message.

System Response

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

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20900241 - Old/New account group existence check: ?

  The SAP error message CNV_20900241 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is an issue with the account groups being used in the migration process. Specifically, it suggests that there is a mismatch or inconsistency between the old and new account groups.
  Cause:
  
  Account Group Mismatch: The old account group does not exist in the new system or is not correctly mapped to a new account group.
  Data Inconsistency: The data being migrated may reference account groups that are not valid or do not exist in the target system.
  Configuration Issues: The account groups may not be properly configured in the target system, leading to validation errors during the migration process.
  
  Solution:
  
  Check Account Groups: Verify that the old account groups exist in the target system. You can do this by checking the configuration in the target SAP system (transaction code OX19 for account groups).
  Mapping Configuration: Ensure that there is a proper mapping between the old and new account groups. This can often be done in the migration tool or through configuration settings.
  Data Validation: Review the data being migrated to ensure that all account groups referenced are valid and exist in the target system.
  Adjust Migration Settings: If necessary, adjust the migration settings to handle the account group mapping correctly.
  Consult Documentation: Refer to the SAP documentation for the specific migration tool you are using, as it may provide additional insights or steps to resolve this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OX19 (for account group configuration) and other related configuration transactions.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or workarounds.
  Migration Cockpit: If you are using the SAP S/4HANA Migration Cockpit, review the migration templates and ensure that they are correctly set up for your data migration scenario.
  Testing: Before performing a full migration, conduct a test migration with a smaller dataset to identify and resolve any issues without impacting the entire system.
  
  By following these steps, you should be able to identify the cause of the CNV_20900241 error and implement a solution to resolve it.