Message type: E = Error
Message class:  CNV_20800 - Message class for CNV_20800 
Message number: 131
Message text: In activity Make Special Settings, option Keep address numbers selected
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The SAP error message CNV_20800131 typically occurs during data migration activities, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error is related to the activity of making special settings, specifically when the option to "Keep address numbers" is selected.
Cause: The error message CNV_20800131 indicates that there is an issue with the configuration or the data being processed during the migration. The specific cause can vary, but common reasons include: Data Inconsistencies: There may be inconsistencies or missing data in the address records that are being migrated.
Configuration Issues: The settings in the migration cockpit or the underlying configuration in the SAP system may not be correctly set up to handle the "Keep address numbers" option. Duplicate Address Numbers: If there are duplicate address numbers in the source data, this can lead to conflicts during the migration process. Missing Customizing Settings: The necessary customizing settings for address management may not be properly
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