I've tried 5+ times to put a deposit on an ID.4 but their site won't take my deposit (I work in fintech and e-commerce, I tried many times, on different machine

I've tried 5+ times to put a deposit on an ID.4 but their site won't take my deposit (I work in fintech and e-commerce, I tried many times, on different machines, using different cards -- their workflow for AWD models seems to have a reversion). I know they're tempering their US launch ambitions a bit, but I wonder if they're seeing lower numbers because something's not working with their reservation system.