Bukkit

What steps will reproduce the problem?
1.Setup game per instructions.

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

What version of the product are you using?
R: Super Wars Beta v1.8 for 1.8.1 Jun 23, 2015
Lib's Disguises 8.6.5
ProtocolLib 3.6.4
Spigot 1.8.8
Java 8/Debian 7.5

Do you have an error log of what happened?

[15:22:32] [Server thread/INFO]: MrSulu issued server command: /gm 1
[15:22:34] [Server thread/INFO]: MrSulu issued server command: //wand
[15:22:42] [Server thread/INFO]: MrSulu issued server command: /sw
[15:22:47] [Server thread/INFO]: MrSulu issued server command: /sw set point1
[15:22:51] [Server thread/INFO]: MrSulu issued server command: /sw leave
[15:22:51] [Server thread/WARN]: java.lang.NullPointerException
[15:22:51] [Server thread/WARN]:     at io.hotmail.com.jacob_vejvoda.SuperWars.SuperWars.leaveGame(SuperWars.java:803)
[15:22:51] [Server thread/WARN]:     at io.hotmail.com.jacob_vejvoda.SuperWars.SuperWars.onCommand(SuperWars.java:2394)
[15:22:51] [Server thread/WARN]:     at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
[15:22:51] [Server thread/WARN]:     at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)
[15:22:51] [Server thread/WARN]:     at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:641)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.PlayerConnection.handleCommand(PlayerConnection.java:1162)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:997)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:45)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.PacketPlayInChat.a(PacketPlayInChat.java:1)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13)
[15:22:51] [Server thread/WARN]:     at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
[15:22:51] [Server thread/WARN]:     at java.util.concurrent.FutureTask.run(Unknown Source)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:714)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:653)
[15:22:51] [Server thread/WARN]:     at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:556)
[15:22:51] [Server thread/WARN]:     at java.lang.Thread.run(Unknown Source)
[15:22:56] [Server thread/INFO]: MrSulu issued server command: /sw set point1
[15:23:02] [Server thread/INFO]: MrSulu issued server command: /sw create test
[15:23:06] [Server thread/INFO]: MrSulu issued server command: /sw set point1
[15:23:16] [Server thread/INFO]: MrSulu issued server command: /sw set point1
[15:23:30] [Server thread/INFO]: MrSulu issued server command: /sw set point2
[15:23:44] [Server thread/INFO]: MrSulu issued server command: /sw set lobby
[15:24:00] [Server thread/ERROR]: Could not pass event BlockBreakEvent to SuperWars v1.8
org.bukkit.event.EventException
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:310) ~[spigot.jar:git-Spigot-d97e08b-880a532]
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-d97e08b-880a532]
    at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-d97e08b-880a532]
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.PlayerInteractManager.breakBlock(PlayerInteractManager.java:286) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.PlayerInteractManager.a(PlayerInteractManager.java:121) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.PlayerConnection.a(PlayerConnection.java:623) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.PacketPlayInBlockDig.a(SourceFile:40) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.PacketPlayInBlockDig.a(SourceFile:10) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.PlayerConnectionUtils$1.run(SourceFile:13) [spigot.jar:git-Spigot-d97e08b-880a532]
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_60]
    at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_60]
    at net.minecraft.server.v1_8_R3.SystemUtils.a(SourceFile:44) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.MinecraftServer.B(MinecraftServer.java:714) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:374) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:653) [spigot.jar:git-Spigot-d97e08b-880a532]
    at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:556) [spigot.jar:git-Spigot-d97e08b-880a532]
    at java.lang.Thread.run(Unknown Source) [?:1.8.0_60]
Caused by: java.lang.NullPointerException
    at io.hotmail.com.jacob_vejvoda.SuperWars.SuperWars.removeSign(SuperWars.java:2071) ~[?:?]
    at io.hotmail.com.jacob_vejvoda.SuperWars.SuperWars.onBlockBreak(SuperWars.java:582) ~[?:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_60]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_60]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_60]
    at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:306) ~[spigot.jar:git-Spigot-d97e08b-880a532]
    ... 17 more
[15:24:06] [Server thread/INFO]: MrSulu issued server command: /sw finish
[15:24:15] [Server thread/INFO]: MrSulu issued server command: /sw add spawnpoint
[15:24:18] [Server thread/INFO]: MrSulu issued server command: /sw add spawnpoint
[15:24:26] [Server thread/INFO]: MrSulu issued server command: /sw finish

Please provide any additional information below.

Try deleting your config, and letting it regen, they try making the arenas.

@jacob_vejvoda: Go

Yeah thats what i did