In Bedrock Edition, for some reason firstly you get a message in chat that says “Chunk still loading. You may encounter some mild performance issues.“ and second, either a mountain could generate or if in the nether, you may get teleported into lava.
MCPE-210689
Players randomly dying after getting "chunk still loading..." message.
Open
2
(Unassigned)
Unconfirmed
Windows
1.21.80.27 Preview, 1.21.71 Hotfix, 1.21.72 Hotfix
Retrieved
Sync issue turn multiplayer off in the settings menu of the world from friends/invite to single. This bug is caused due to poor connections to the Microsoft xbox servers due to either a bad Internet connection or hardware issues.