As title says, server crashes every time a player dies. I'm pretty sure that it is an outdated version of essentials problem Please give me a DETAILED guide to how to fix this, maybe links for an updated version of essentials, this is my currant essentials: https://dev.bukkit.org/projects/essentials

Log: https://paste.ee/p/Ls0aO

Video: https://drive.google.com/open?id=1BhxMFdhbMGSl6qme1Zn2nRQzuFolzKhv

If you need more information just ask. All help appreciated!