Bukkit

While using the plugin I have had some issues. I was able to fix the others but there is this one console error message that keeps appearing.

Note: The error only appears when players log in.

[16:51:53 ERROR]: Could not pass event PlayerTeleportEvent to Multiverse-Core v2
.4-b527
org.bukkit.event.EventException
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:306) ~[craftbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62) ~[craftbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:502) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:487) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.craftbukkit.v1_11_R1.entity.CraftPlayer.teleport(CraftPlay
er.java:479) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.craftbukkit.v1_11_R1.entity.CraftEntity.teleport(CraftEnti
ty.java:250) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at com.Geekpower14.Quake.Arena.SArena.stop(SArena.java:271) [Quake_v3.1.
0.jar:?]
at com.Geekpower14.Quake.Arena.Arena.disable(Arena.java:400) [Quake_v3.1
.0.jar:?]
at com.Geekpower14.Quake.Arena.ArenaManager.Disable(ArenaManager.java:16
3) [Quake_v3.1.0.jar:?]
at com.Geekpower14.Quake.Quake.onDisable(Quake.java:107) [Quake_v3.1.0.j
ar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:273) [cr
aftbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoade
r.java:361) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManag
er.java:424) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at com.rylinaux.plugman.util.PluginUtil.disable(PluginUtil.java:84) [Plu
gMan.jar:?]
at com.rylinaux.plugman.command.DisableCommand.execute(DisableCommand.ja
va:127) [PlugMan.jar:?]
at com.rylinaux.plugman.PlugManCommandHandler.onCommand(PlugManCommandHa
ndler.java:95) [PlugMan.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) [craf
tbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:14
1) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchCommand(CraftServ
er.java:650) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at org.bukkit.craftbukkit.v1_11_R1.CraftServer.dispatchServerCommand(Cra
ftServer.java:636) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at net.minecraft.server.v1_11_R1.DedicatedServer.aM(DedicatedServer.java
:437) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at net.minecraft.server.v1_11_R1.DedicatedServer.D(DedicatedServer.java:
400) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at net.minecraft.server.v1_11_R1.MinecraftServer.C(MinecraftServer.java:
678) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.jav
a:576) [craftbukkit.jar:git-Spigot-4741400-a1d3777]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_131]
Caused by: java.lang.NullPointerException
at com.onarandombox.MultiverseCore.listeners.MVPlayerListener.playerTele
port(MVPlayerListener.java:193) ~[?:?]
at sun.reflect.GeneratedMethodAccessor67.invoke(Unknown Source) ~[?:?]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1
.8.0_131]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_131]
at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:302) ~[craftbukkit.jar:git-Spigot-4741400-a1d3777]
... 24 more