I am able to complete the shipping and payment method steps, but the order process always fails at the final step.
On clicking on the red ‘Place Your Order’ button some background processing does appear to occur, but the screen otherwise remains unchanged, all items remain in the basket and no indication is given that an order has in fact been placed (on screen or via email). I used an up to date version of the Firefox and Edge browsers, but have also tried to complete the purchase so far in the Opera and Chrome browsers without success. Although I normally have no issues with the security settings I employ when purchasing online elsewhere, I have also tried using a minimum security setting in Chrome (i.e. allow all cookies etc.) but am still unable to complete an order.