MCPE tp to 10000 ~ 1000000000 and it became crazy (new parland?l)

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the first one and second one is for normal infinity map (i am korean)(무한맵), and third one and last one is flat map.If i move it just go up down or right or left.

at normal (무한맵) when I go down water like thing is at down and I cant build the block

and also the fish is flying.

If I spown things they fall down.

And I cant make portal like ender,.

but i can go neder  but when i walk, it fly away like tp.