Cute! And timely.
Looks like you still have some work to do: https://www.monosnap.com/image/JkLBAEYvPAOE96ab7YqrFoXgc
& Here's the console output: https://www.monosnap.com/image/JWwoDPyQrFyrokGxIt0b4i8Qe
Looks like you still have some work to do: https://www.monosnap.com/image/JkLBAEYvPAOE96ab7YqrFoXgc
& Here's the console output: https://www.monosnap.com/image/JWwoDPyQrFyrokGxIt0b4i8Qe
"No such issuer" means that the first six digits, Bank Identification Number, are incorrect and card was declined as a result.
We (Balanced) should be doing a better job to make this error more understandable or mask it by returning some invalid card number error.