Errors, when do /hg join Tournament

[WoAnerges]

13:36:42 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'hg' in plugin MyHungerGames v0.7-dev
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:168)
at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:492)
at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:880)
at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:826)
at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:808)
at net.minecraftserverhook.NetServerHandlerProxy.a(NetServerHandlerProxy.java:124)
at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:44)
at net.minecraft.server.NetworkManager.b(NetworkManager.java:276)
at net.minecraft.server.NetServerHandler.d(NetServerHandler.java:109)
at net.minecraftserverhook.NetServerHandlerProxy.d(NetServerHandlerProxy.java:58)
at net.minecraft.server.ServerConnection.b(SourceFile:35)
at net.minecraft.server.DedicatedServerConnection.b(SourceFile:30)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:578)
at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:213)
at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.NullPointerException
at org.bukkit.craftbukkit.entity.CraftPlayer.teleport(CraftPlayer.java:366)
at org.bukkit.craftbukkit.entity.CraftEntity.teleport(CraftEntity.java:162)
at com.randude14.hungergames.games.HungerGame.removeSpectator(HungerGame.java:330)
at com.randude14.hungergames.commands.user.SpectateCommand.handle(SpectateCommand.java:28)
at com.randude14.hungergames.commands.SubCommand.execute(SubCommand.java:34)
at com.randude14.hungergames.commands.CommandHandler.handleUserCommand(CommandHandler.java:88)
at com.randude14.hungergames.commands.CommandHandler.onCommand(CommandHandler.java:30)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
... 17 more
13:36:50 [WARNING] [MyHungerGames] Task #96918 for MyHungerGames v0.7-dev generated an exception
java.lang.IllegalArgumentException: n must be positive
at java.util.Random.nextInt(Random.java:265)
at com.randude14.hungergames.games.HungerGame.run(HungerGame.java:247)
at org.bukkit.craftbukkit.scheduler.CraftTask.run(CraftTask.java:52)
at org.bukkit.craftbukkit.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:316)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:510)
at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:213)
at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)

[kitskub]

I think this has been fixed in the latest builds

[WoAnerges]

This error happens on 0.7-dev-082620122041