World from my plugin crashes server

Whenever I load my plugin world - Mars and enter it my server crash with this crash log

Crash Log: https://pastebin.com/1UjGuUg5

And when I enter server it spawns me in this world \and crash again and only option left is unload world with multiverse or remove plugin. Can anybody help? Additionally. my plugin has some more worlds, but this worlds work normal. I can enter them.