Error code
Card Network 01
CARD NETWORK01
Payment Decline Code· Why a card payment was declined by the issuer or processor, and what to do.
What it means
Refer to Card Issuer.
How to fix it
- Ask the customer to call the number on the back of their card.
- try a different payment method.
Not affiliated with Card Network. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.