My world won’t let me in, and it crashes and glitches out of the app.

Hello, 

One problem I just discovered when I was playing is that I can’t enter my world without it glitching off the app. When I push to open the app it says, “leave bed” and “chat”, while the screen is black; when that pops up, it suddenly goes to my home screen. I have tried multiple things like turning off my phone, refreshing the app, and creating a copy of it but it still won’t work. Please help me figure out what might’ve happened because my friend and I have spent too much time on that world and suddenly losing our materials is frustrating. 

Thank you