1. Issue caused by corrupted chunks. If players load them - the server crashes. And every time since then, if this exact player joins - the server crashes 2. Everything is good with files. I can even convert the world to Java Anvil format to use in other server core (what I did).
(Statements may appear conflicting, but I cannot distinguish the appearance of corrupt chunk cause it looks like a normal one)
1. Issue caused by corrupted chunks. If players load them - the server crashes. And every time since then, if this exact player joins - the server crashes
2. Everything is good with files. I can even convert the world to Java Anvil format to use in other server core (what I did).
(Statements may appear conflicting, but I cannot distinguish the appearance of corrupt chunk cause it looks like a normal one)