Message type: E = Error
Message class:  CNV_10020 - Message class for package 10020 
Message number: 721
Message text: &1 &2: Technical definition missing
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The SAP error message CNV_10020721 typically indicates that there is a missing technical definition for a specific object or field in the context of a data migration or conversion process. This error is often encountered during the execution of a data migration project, particularly when using SAP's data migration tools or during the execution of a conversion program.
Cause: Missing Technical Definition: The error suggests that the system is unable to find the technical definition for a specific field or object that is required for the migration process. This could be due to: The object or field not being defined in the target system. The migration program not being able to access the necessary metadata. A mismatch between the source and target system configurations.
Configuration Issues: There may be configuration issues in the source or target system that prevent the migration tool from correctly interpreting the data. Data Model Changes: If there have been changes to the
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