[xxs]

It's a quite straightforward use - few minutes, it uses NFC to the passport, it's very organized and well guided... except

you can use only one bank card per person - the payment would be rejected w/o any reason given, so going through the process few times to no avail. Getting visas for the family would require multiple bank cards.

[dgxyz]

This is a common problem. I have it everywhere I go when I take my kids on holiday. Particularly ticket machines where you have to buy multiple tickets and can't add more than one to a transaction (Maltese buses are a good one).

I don't get the problem with my credit card. Might just be switching cards until you find one that isn't crap.

[pards]

I encountered this on the NYC subway trying to buy 4 metrocards with one credit card. No bueno.

[xxs]

Indeed, it could be a common issues. Some places transposition systems even allow use of bank cards as 'ticket'

[raverbashing]

I'm guessing this is your card bouncing a repeat purchase from the same vendor with the same value

[xxs]

That I'd not know, although it'd be very uncommon and has not happened. In the EU 3ds is a very standard process, the the payments require an explicit approval (national id cards/smartid, etc.)

[aembleton]

I guess you could create a few virtual cards and use those.