Originally Posted by
notalent
Has anyone gotten "DEBIT NOT AVAILABLE APPR. CODE= 01" before? Popped up in the last 2 days using gc.com mcgc (no issues ever before last 2 days.)
Yes. Had this exact error code just start 2 days ago. Per the Wiki, it's "01 = Refer to card issuer. The merchant must call the issuer before the transaction can be approved" But that doesn't make sense.