Bukkit

What steps will reproduce the problem?

1.Put the werewolf plugin in the plugin folder
2.reboot server

What is the expected output? What do you see instead?

Expected = Werewolf plugin works
What do I see instead = If I type a werewolf command in chat it gives me an internal error and a long error in the console.

What version of the product are you using?
1.8.8

Do you have an error log of what happened?

[03:02:54 INFO]: KosakeHiruma issued server command: /ww
[03:02:54 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'ww' in plugin Werewolf v0.7.8
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:140) ~[craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:625) ~[craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1079) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:939) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(SourceFile:37) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(SourceFile:9) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_72]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_72]
        at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:60) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:676) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:335) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:632) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:540) [craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_72]
Caused by: java.lang.NullPointerException
        at com.dogonfire.werewolf.LanguageManager.getLanguageString(LanguageManager.java:195) ~[?:?]
        at com.dogonfire.werewolf.Commands.CommandInfo(Commands.java:62) ~[?:?]
        at com.dogonfire.werewolf.Commands.onCommand(Commands.java:1340) ~[?:?]
        at com.dogonfire.werewolf.Werewolf.onCommand(Werewolf.java:806) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit-1.8.6.jar:git-Bukkit-b0e81a4]
        ... 15 more

Please provide any additional information below.

Sorry: What version of the product are you using? 1.8.6

[12:37:13 INFO]: [Werewolf v0.7.9] Downloading english.yml from DogOnFire... [12:37:16 INFO]: [Werewolf v0.7.9] Could not download english.yml language file from DogOnFire: http://www.doggycraft.dk/plugins/werewolf/lang/english.yml [12:37:16 ERROR]: Error occurred while enabling Werewolf v0.7.9 (Is it up to date?) java.lang.NullPointerException