Message type: E = Error
Message class:  CNV_20800 - Message class for CNV_20800 
Message number: 105
Message text: &1: No number range interval &2 for account group &3
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The SAP error message CNV_20800105 indicates that there is no number range interval defined for a specific account group in the system. This error typically occurs during data migration or when trying to create a new account in the system, and it is related to the configuration of number ranges for account groups.
Cause: Missing Number Range Interval: The primary cause of this error is that the number range interval for the specified account group does not exist in the system. Incorrect Configuration: The account group may not be properly configured to use a valid number range. Data Migration Issues: If you are migrating data, the mapping of account groups to number ranges may not have been set up correctly.
Solution: To resolve this error, you can follow these steps: Check Number Range Configuration: Go to the transaction code OBAS (for account groups) or OBA7 (for number ranges). Verify that the number range interval for the specified account group
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