ESPN Survivor Pool Not Letting Participant Pick Monday Night Winner?

Sup y'all,

I did an NFL survivor pool through ESPN with my co workers. My boss (of course it's my boss haha) waited until now to pick. Accordingly, he can only pick the MNF winner. However, the system is not letting him make his pick. Any idea why that is? It's well before kickoff time so he should be able to make a pick but maybe there's a glitch or I'm missing something? Any help would be great, thanks!