My friends Minecraft realm keeps kicking everyone out for no reason.

My friends mcpe realm kicks out everyone every 2 minutes, sometimes it stops for about 40, but it always comes back, and when it does we try to rejoin but we get kicked again instantly. This realm has been a thing for aeound 7 days, the first 4 days everything was fine, then these past 3 days it's just been kicking people which is very annoying.epple