I had the same message for a few seconds, then it cleared and I was able to carry on with no problem.
I will soon be the owner of a £36 away stand ticket for the pleasure palace that is Hillsborough.
At that price (plus £1 admin and £1 something else) I expect it to have been hand crafted with the finest quill on best vellum, and edged with gold leaf. Courier delivered as well.