Bukkit

What steps will reproduce the problem?
1. start server
2. plugin fails to load arena
3. run 'reload' from console and it finds arena. plugin works fine after reload

What is the expected output? What do you see instead?
expected o/p:
[16:19:10 INFO]: [BuildMyThing] Enabling BuildMyThing v2.1
[16:19:10 INFO]: [BuildMyThing] Enabled !
[16:19:10 INFO]: [BuildMyThing] Found arena: game1

actual o/p:
[16:16:16 INFO]: [BuildMyThing] Enabling BuildMyThing v2.1
[16:16:16 INFO]: [BuildMyThing] Enabled !
[16:16:16 INFO]: [BuildMyThing] Exception ocurred when loading arena: game1
[16:16:16 WARN]: java.lang.NullPointerException
[16:16:16 WARN]:        at net.bassintag.buildmything.main.utils.LocationUtils.locationToString(LocationUtils.java:11)
[16:16:16 WARN]:        at net.bassintag.buildmything.main.arena.Arena.saveToConfig(Arena.java:98)
[16:16:16 WARN]:        at net.bassintag.buildmything.main.arena.Arena.registerSign(Arena.java:67)
[16:16:16 WARN]:        at net.bassintag.buildmything.main.arena.Arena.loadFromConfig(Arena.java:133)
[16:16:16 WARN]:        at net.bassintag.buildmything.main.arena.Arena.<init>(Arena.java:48)
[16:16:16 WARN]:        at net.bassintag.buildmything.main.arena.ArenaManager.registerArena(ArenaManager.java:25)
[16:16:16 WARN]:        at net.bassintag.buildmything.main.arena.ArenaManager.setupArenas(ArenaManager.java:41)
[16:16:16 WARN]:        at net.bassintag.buildmything.main.BuildMyThing.onEnable(BuildMyThing.java:30)
[16:16:16 WARN]:        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:250)
[16:16:16 WARN]:        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:350)
[16:16:16 WARN]:        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:389)
[16:16:16 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:439)
[16:16:16 WARN]:        at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:375)
[16:16:16 WARN]:        at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:342)
[16:16:16 WARN]:        at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:319)
[16:16:16 WARN]:        at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:275)
[16:16:16 WARN]:        at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:175)
[16:16:16 WARN]:        at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:424)
[16:16:16 WARN]:        at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)

What version of the product are you using?
BMT 2.1 running on craftbukkit-1.7.2-R0.3

Do you have an error log of what happened?
see above console output

Please provide any additional information below.
seems like BMT is loading before some other dependency(?). My arena.yml is below.
arenas:
  game1:
    loc1: minigame:-331.44794337949236:67.0:-117.52394320740537:357.7457:90.0
    loc2: minigame:-320.85730738651455:79.0:-102.28608642221143:271.79572:44.549995
    minPlayers: 2
    maxPlayers: 12
    signs:
    - world:337.0:69.0:7.0:0.0:0.0
    lobby: minigame:-334.63274827484656:70.0:-113.25664954722467:-55.80412:15.600028