Crash server

[LeCraft2Ouf]

Factions 2.14.0

<! - In order to help you, we need to know what plugin is it. ->
<! - The plugin always has the same version as MassiveCore. ->
<! - All our plugins depend on MassiveCore, have not you forgotten to install it? ->
<! - Run the command "/ massivecore version" to see the version you are running. ->

• ** Name of the plugin concerned: ** Factions
• ** Version of the concerned plugin: ** 2.14.0

Describe your environment

<! - Execute the "/ version" command to see the version of the server that you are running. ->

• ** Server version: ** 1.8.8

steps to reproduce this bug

<! - Write step by step how to reproduce this bug. ->
<! - As developers, we need to know how to trigger the bug before it can be fixed. ->
When ordering / f claim on the freeze server, its time out all the world, then crash it

How to correct this?