Boss Battle Multiple Glitch

I did my first Boss Battle with the new Classcraft Experience and many glitches started happening and we could not even finish the Boss Battle. It started skipping questions, a question would display for five seconds and then it would skip to the next question without any input from me.

Secondly after a while the bosses Health became NaN and stopped showing damage.

Thirdly when displaying the name, it started showing a previous student's name plus the current student. It kept adding on each time this student was picked until, it showed this student's name 4 times and then the actual student's name. See below for screenshot showing these errors: