massive game crash

we were defending our nexus turrets ani i was slain. durring the death time all of a suden the entire game froze and crashed. additionaaly everyone else on myteam, their game also crashed. i also believe he enemy team also crashed. i don't know what caused it but i can tell you who most of the championswere.

cho gath heimerdinger rengar ashe morgana quinn jax shen sivir syndra