Message type: E = Error
Message class:  CNV_20800 - Message class for CNV_20800 
Message number: 146
Message text: Account group &1 does not belong to customer number &2
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The SAP error message CNV_20800146 indicates that there is a mismatch between the account group and the customer number in the system. This error typically arises during data migration or when trying to create or modify customer master data. Here’s a breakdown of the cause, potential solutions, and related information:
Cause: Account Group Mismatch: The account group specified does not correspond to the customer number being processed. Each customer number is assigned to a specific account group, and if the account group does not match, this error will occur. Data Migration Issues: If you are migrating data from another system, the mapping of account groups to customer numbers may not have been set up correctly.
Configuration Issues: The account group may not be properly configured in the system, or the customer number may not be assigned to the correct account group in the configuration settings.
Solution: Check Account Group Configuration: Go to the configuration settings in SAP
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