MassiveCore log error

[jetemange]

• Affected Plugin Name: MassiveCore
• Affected Plugin Version: 2.14.0

Describe your Environment

• Server Version: This server is running CraftBukkit version git-paperSpigot-1f7d532(Mc 1.7.10) Implementing API version 1.7.10-R0.1-SNAPSHOT

Steps to Reproduce this Bug

Load the plugin

Observed Results

error in log : https://hastebin.com/afanejiqin.cpp

Expected Results

https://hastebin.com/afanejiqin.cpp