I'm a prolific Vinted buyer. All of a sudden when I try to buy anything, instead of a green tick I get a red cross ❌️! Don't even get to pick which card I want to use to pay with. I bought something about 8 hours ago. All fine. Now, nothing. Make it stop! Or start again. Can anyone help? I've restarted my phone, also logged out of Vinted then back in again.