When I use DWARVEN MINING COMPANY map, it takes me completely out of the game after 2 minutes

I just bought the DWARVEN MINING COMPANY map, and when I enter it, in 2 or 3 minutes it takes me completely out of the game, I am using vertion 1.14.60 of minecraf, and a tablet iPad mini 2 (software 12.4.5)