OTG Plugin or Mod

[Please specify if it's about Forge Mod or Spigot server Plugin placing "x" into []]

• [] OTG Mod for Forge
• OTG Plugin for Spigot

OTG Version

[Please specify the full OTG version that you are running by placing "x" into []]

• 1.12.2 V9.0 R1

Forge or Spigot Versions

git-spigot-642f6d2-57ab4cf (MC: 1.12.2) 1.12.2-R0.1-SNAPSHOT

Server/Client Log

https://pastebin.com/LHne1upE

What other plugins are you running?

FastAsyncWorldEdit, Essentials, Worldedit

Description

I tried to startup dregora v1.64 ( https://www.curseforge.com/minecraft/mc-mods/dregora/files/2850247 ) which resulted in this crash.

Fixed for 9.0_r4