The answer
Do not pay for an order again while its payment status is unclear. A name may become unavailable between searching and registration; incomplete holder details can also prevent processing.
For a paid order whose registration has not succeeded, we will review it and explain the next steps. A search result or payment is not a substitute for registration confirmation.
What to do
Note the order status and displayed message.
Check the domain and order number in your account.
Contact support with these details; do not create another order for the same issue.