Minecraft Support is experiencing extremely high volumes of requests right now and we're working 24/7 to get caught up. Do we have help? You bet, we just added forty new people to our team. Thanks for your patience, we're going as fast as we can to get them in and helping out!

It appears the new update brought back the "you are out of data storage" error on Xbox one. The last time I tried to fix this it corrupted two of my best worlds, which I've never recovered so I'm now afraid to do anything. Was also losing chunks and falling into the gaps