Message type: E = Error
Message class:  CNV_NCE_BAS - Number conversion engine: messages 
Message number: 301
Message text: Insert a valid field name
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The SAP error message CNV_NCE_BAS301: Insert a valid field name typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is expecting a valid field name, but the provided field name is either incorrect, missing, or not recognized by the system. Causes: Invalid Field Name: The field name specified in the migration or conversion process does not exist in the target structure or is misspelled. Field Mapping Issues: There may be issues with the mapping of fields between the source and target systems. Data Structure Changes: If the data structure has changed (e.g., during an upgrade or migration), the field names may have been altered or deprecated. Configuration Errors: Incorrect configuration settings in the migration tool or the data model can lead to this error. Missing Authorization: Sometimes, the user executing the migration may not have the necessary authorizations
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