Bukkit

What steps will reproduce the problem?
1. Put multiple potion item IDs in your rewards.cfg file
2. Restart server
3. See error message

What is the expected output? What do you see instead?
I should be able to use the potions in the config
            373:8262 = '80'
            373:8197 = '60 x 1, 2'
            373:16394 = '60 x 1, 2'
            373:8194 = '60'
            373:8195 = '55'

What version of the product are you using?
SurvivalGames version 1.0.6-Alpha1

Do you have an error log of what happened?
04:16:04 [SEVERE] java.lang.NullPointerException
04:16:04 [SEVERE]       at net.shockverse.survivalgames.ArenaManager.setupArenaRewards(ArenaManager.java:273)
04:16:04 [SEVERE]       at net.shockverse.survivalgames.ArenaManager.loadArenaRewards(ArenaManager.java:222)
04:16:04 [SEVERE]       at net.shockverse.survivalgames.ArenaManager.setupArena(ArenaManager.java:200)
04:16:04 [SEVERE]       at net.shockverse.survivalgames.ArenaManager.setup(ArenaManager.java:153)
04:16:04 [SEVERE]       at net.shockverse.survivalgames.ArenaManager.load(ArenaManager.java:96)
04:16:04 [SEVERE]       at net.shockverse.survivalgames.SurvivalGames.onEnable(SurvivalGames.java:78)
04:16:04 [SEVERE]       at net.shockverse.survivalgames.commands.SGCmd.defaultCommand(SGCmd.java:120)
04:16:04 [SEVERE]       at net.shockverse.survivalgames.commands.SGCmd.onCommand(SGCmd.java:246)
04:16:04 [SEVERE]       at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
04:16:04 [SEVERE]       at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:192)
04:16:04 [SEVERE]       at org.bukkit.craftbukkit.v1_6_R3.CraftServer.dispatchCommand(CraftServer.java:532)
04:16:04 [SEVERE]       at org.bukkit.craftbukkit.v1_6_R3.CraftServer.dispatchServerCommand(CraftServer.java:519)
04:16:04 [SEVERE]       at net.minecraft.server.v1_6_R3.DedicatedServer.as(DedicatedServer.java:276)
04:16:04 [SEVERE]       at net.minecraft.server.v1_6_R3.DedicatedServer.t(DedicatedServer.java:241)
04:16:04 [SEVERE]       at net.minecraft.server.v1_6_R3.MinecraftServer.s(MinecraftServer.java:493)
04:16:04 [SEVERE]       at net.minecraft.server.v1_6_R3.MinecraftServer.run(MinecraftServer.java:425)
04:16:04 [SEVERE]       at net.minecraft.server.v1_6_R3.ThreadServerApplication.run(SourceFile:583)

Please provide any additional information below.

Potions have not been added yet and there is a known bug where you cannot have the same id with a different data.