How To Fix CNV_20900107 - Old account group &1 does not exist

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 107

• Message text: Old account group &1 does not exist

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20900107 - Old account group &1 does not exist ?

  The SAP error message CNV_20900107 indicates that the system is unable to find an old account group specified in a conversion or migration process. This error typically arises during data migration activities, especially when using tools like the SAP S/4HANA Migration Cockpit or other data conversion tools.
  Cause:
  
  
  Missing Account Group: The specified old account group does not exist in the system. This could be due to:
  
  The account group was deleted or never created.
  A typo in the account group name or number.
  The account group is not included in the migration data.
  
  
  
  Incorrect Configuration: The configuration settings for the migration might not be set up correctly, leading to references to non-existent account groups.
  
  
  Data Mapping Issues: There may be issues in the mapping of old account groups to new ones, especially if the mapping was not done correctly or completely.
  
  
  Solution:
  
  
  Verify Account Group: Check if the old account group specified in the error message exists in the system.
  
  Use transaction code OBD4 (for account groups) to list and verify the account groups.
  Ensure that the account group is active and correctly configured.
  
  
  
  Correct Data Mapping: If you are using a migration tool, review the mapping of old to new account groups. Ensure that all necessary mappings are defined and that there are no typos.
  
  
  Update Migration Data: If the account group does not exist, you may need to:
  
  Create the missing account group if it is required for the migration.
  Update the migration data to reference a valid account group.
  
  
  
  Check Migration Settings: Review the settings and configurations of the migration tool you are using to ensure that they are set up correctly.
  
  
  Consult Documentation: Refer to the SAP documentation related to the specific migration tool you are using for any additional steps or requirements.
  
  
  Related Information:
  
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  OBD4: To manage account groups.
  SE11: To check data dictionary objects.
  SE16N: To view table entries related to account groups.
  
  
  
  SAP Notes: Check for any SAP Notes related to the error message or the migration process you are using. SAP Notes often provide specific fixes or workarounds for known issues.
  
  
  Community Forums: Consider searching or posting in SAP community forums or SAP support channels for additional insights or similar experiences from other users.
  
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.