What are the reasons for the failure of issuing new cards in the meal selling machine system?

Reasons for the failure of issuing new cards in the meal selling system:

1. Poor contact of the USB port on the card reader, please re-plug the card reader.

2. This is not a card from this system; this card has not been encrypted by the manufacturer or agent.

3. System settings are incorrect, please reconfirm whether the user name, serial number, and authorized usage number in the software system usage settings are provided by the manufacturer or agent.