Information

• Server version: This server is running CraftBukkit version 3092-Spigot-9fb885e-ebe18b9 (MC: 1.16.5) (Implementing API version 1.16.5-R0.1-SNAPSHOT)

• Full output of /mv version -p: https://paste.gg/p/anonymous/ca7215506dab445c9942563e99d618b1

• Server log: https://gist.github.com/willninjagamer/3008784b7c63338f52437b05f9bacd26

Details

I was `able to reproduce my issue on a freshly setup and up-to-date server with the latest version of Multiverse plugins with no other plugins and with no kinds of other server or client mods.

Description
Using a custom dimension type causes the import to fail.

Steps to reproduce

1. I created custom world using https://misode.github.io/world generator.
2. Set the dimension type of minecraft:overworld to custom.
3. Copy and paste the code into a .json file.
4. In minecraft, create a new world, under "More World Options..." then "Import Settings" and select the .json file.
5. Load it.
6. Then move the files to a test server with multiverse plugin.
7. Then join the test server and use /mv import test normal.
8. Load fails.

Expected behavior
Load the world with the dimension type custom settings.

Screenshots

I don’t think so bukkit api has allowed for custom dimension support yet.