Mobhunt1

[11:05:07 WARN]: Unexpected exception while parsing console command "mobhunt achievements inf"
org.bukkit.command.CommandException: Unhandled exception executing command 'mobhunt' in plugin MobHunting v1.8.6
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[spigot-1.8.jar:git-Spigot-8a983f9-9ae3381]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[spigot-1.8.jar:git-Spigot-8a983f9-9ae3381]
        at org.bukkit.craftbukkit.v1_8_R1.CraftServer.dispatchCommand(CraftServer.java:646) ~[spigot-1.8.jar:git-Spigot-8a983f9-9ae3381]
        at org.bukkit.craftbukkit.v1_8_R1.CraftServer.dispatchServerCommand(CraftServer.java:632) [spigot-1.8.jar:git-Spigot-8a983f9-9ae3381]
        at net.minecraft.server.v1_8_R1.DedicatedServer.aM(DedicatedServer.java:353) [spigot-1.8.jar:git-Spigot-8a983f9-9ae3381]
        at net.minecraft.server.v1_8_R1.DedicatedServer.z(DedicatedServer.java:317) [spigot-1.8.jar:git-Spigot-8a983f9-9ae3381]
        at net.minecraft.server.v1_8_R1.MinecraftServer.y(MinecraftServer.java:623) [spigot-1.8.jar:git-Spigot-8a983f9-9ae3381]
        at net.minecraft.server.v1_8_R1.MinecraftServer.run(MinecraftServer.java:526) [spigot-1.8.jar:git-Spigot-8a983f9-9ae3381]
        at java.lang.Thread.run(Thread.java:745) [?:1.7.0_75]
Caused by: java.lang.NullPointerException
        at au.com.mineauz.MobHunting.commands.ListAchievementsCommand.onCommand(ListAchievementsCommand.java:95) ~[?:?]
        at au.com.mineauz.MobHunting.commands.CommandDispatcher.onCommand(CommandDispatcher.java:117) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[spigot-1.8.jar:git-Spigot-8a983f9-9ae3381]
        ... 8 more