How To Fix CNV_20900243 - Conflicts in customizing of old and new account group check:

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 243

• Message text: Conflicts in customizing of old and new account group check:

Self-Explanatory Message

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• What is the cause and solution for SAP error message CNV_20900243 - Conflicts in customizing of old and new account group check: ?

  The SAP error message CNV_20900243 typically arises during the data migration process, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there are conflicts in the customizing settings between the old and new account groups. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  
  Account Group Conflicts: The error usually occurs when there are discrepancies between the account groups defined in the legacy system and those in the target system. This can happen if:
  
  The same account group is defined differently in the old and new systems.
  There are missing or inactive account groups in the target system that are referenced in the source system.
  Customizations or configurations in the old system do not match those in the new system.
  
  
  
  Data Inconsistencies: If the data being migrated references account groups that do not exist or are not properly configured in the target system, this can lead to