Not knowing who was responsible for doing all that was necessary to make the system work, I can't say. You could very well be right that it was UND or Tickmaster or both. But until someone who knows what was supposed to happen says what caused the problem, I won't simply assume that UND/Ticketmaster was at fault.
And that is the only other possibility it could be? Is there an outside chance that there was some other person or organization or service outside the control of UND or Ticketmaster that fouled up?
I'm not "eluding" any facts. I'm attempting to determine the facts before jumping to conclusions.