Hi Goran, have the same problem.
Address may only include letters, digits, space, dash, comma, dot, slash, apostrophe and pound.
City may only include letters, digits, space, dash and apostrophe. Should include at least one letter.
I've escalated your concern to our team and one of our team members will reach out to you directly to assist you further.
In the meantime, please go to your account settings and chose top tab on left, ''My Info''. Kindly, try adding address details and phone number in order to fix this error. If the issue persists after this please share any question on your support ticket and our team will assist you further.
I had the problem just now and I found the solution. The problem is the address with your paiement method. I had "é" in the address. I just changed by "e" and now it works!
have a good day