Typing in chat crashed my game,and now the game won't let me back in

I was play on Xbox One in the Better Together update,and I was on the MinePlex Server on the building minigame(if that's important),and I tried to type in chat /ground,the chat froze,and wouldn't let me exit out of it,type,backspace,or anything,but the music,and the background was still there for a couple seconds,then my game crashed,and when I try to get back on MineCraft,it will show the white screen saying Mojang,but then the game will kick me out and say,"Try Another Time:if this message appears,hold the big X button to turn off the console,leave it for ten seconds,and try again", though I've done it multiple times,tried re-logging into my Xbox live account,and even took the plug out of the Xbox for a few seconds,and it still won't work! Please help,I want to be able to get into my MineCraft again!