Error code
Card Network 04
CARD NETWORK04
Payment Decline Code· Why a card payment was declined by the issuer or processor, and what to do.
What it means
Pick Up Card.
How to fix it
- Do not retry.
- ask the customer for a different card and advise them to contact their bank.
Not affiliated with Card Network. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.