Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 447
Message text: Subobject and number range number required
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The SAP error message CNV_NCE_BAS447 typically indicates that a subobject and number range number are required for a specific operation, often related to data conversion or migration processes. This error is commonly encountered in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion scenarios.
Cause: Missing Configuration: The error usually arises when the necessary configuration for the subobject and number range is not set up in the system. This could be due to missing entries in the customizing settings or incorrect settings in the number range configuration. Data Migration Process: If you are running a data migration process, the system may require specific identifiers (subobjects and number ranges) to correctly map and process the data being migrated. Inconsistent Data: The data being processed may not have the required identifiers, leading to this error.
Solution: Check Configuration: Go to the relevant customizing transaction (e.g., SPRO) and ensure that the
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