[13:54:56] [Server thread/ERROR]: Could not pass event PlayerInteractEvent to PvpBox v1.0.0
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:302) ~[spigot.jar:git-Spigot-1646]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-1646]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:514) [spigot.jar:git-Spigot-1646]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:499) [spigot.jar:git-Spigot-1646]
	at org.bukkit.craftbukkit.v1_7_R4.event.CraftEventFactory.callPlayerInteractEvent(CraftEventFactory.java:242) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.PlayerInteractManager.dig(PlayerInteractManager.java:103) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.PlayerConnection.a(PlayerConnection.java:552) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.PacketPlayInBlockDig.a(PacketPlayInBlockDig.java:41) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.PacketPlayInBlockDig.handle(PacketPlayInBlockDig.java:65) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.NetworkManager.a(NetworkManager.java:186) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.ServerConnection.c(ServerConnection.java:81) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.MinecraftServer.v(MinecraftServer.java:734) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.DedicatedServer.v(DedicatedServer.java:289) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.MinecraftServer.u(MinecraftServer.java:584) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.MinecraftServer.run(MinecraftServer.java:490) [spigot.jar:git-Spigot-1646]
	at net.minecraft.server.v1_7_R4.ThreadServerApplication.run(SourceFile:628) [spigot.jar:git-Spigot-1646]
Caused by: java.lang.NullPointerException
	at fr.titan.home.gui.Gui.onClicBoussole(Gui.java:31) ~[?:?]
	at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_101]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_101]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:298) ~[spigot.jar:git-Spigot-1646]
	... 15 more