I can't get into my Minecraft world because a black screen appears saying get up from bed and open chat when I click on one of the two leaves the game alone.

I can't log into one of my Minecraft world because a black screen appears saying get up and open chat i click on open chat the screen is all black and buggy i click on get out of the game.I hope you can solve this problem quickly because I love playing Minecraft in this world, it had several constructions, his name is perfect and he is in child mode.