Message type: E = Error
Message class:  CNV_DEMO - Demo package messages 
Message number: 002
Message text: Generator Class & does not exist
Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.
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The SAP error message CNV_DEMO002 typically indicates that there is an issue with a generator class that is expected to exist but cannot be found in the system. This error is often encountered during data migration or conversion processes, particularly when using SAP's Conversion Tools or Data Migration tools.
Cause: Missing Class: The generator class specified in the error message does not exist in the SAP system. This could be due to: The class was not created or activated. The class was deleted or not transported correctly from a development environment to the production environment. There is a typo or incorrect naming in the configuration or code that references the class. Incorrect Configuration: The configuration settings for the migration or conversion process may be pointing to an incorrect or outdated class. Transport Issues: If the system is part of a landscape with multiple environments (development, quality assurance, production), the class may not have been transported properly.
Solution: Check Class
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