Bukkit

Please take a look:
http://pastebin.com/Up5s8jK2

[02:13:18 INFO]: MrXYZ issued server command: /lifestone randomtp
[02:13:18 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'lifestone' in plugin Lifestones v1.8.2
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[PluginCommand.class:git-Cauldron-MCPC-Plus-1.7.10-1.1236.06.212]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:181) ~[SimpleCommandMap.class:git-Cauldron-MCPC-Plus-1.7.10-1.1236.06.212]
        at org.bukkit.craftbukkit.v1_7_R4.CraftServer.dispatchCommand(CraftServer.java:717) ~[CraftServer.class:git-Cauldron-MCPC-Plus-1.7.10-1.1236.06.212]
        at net.minecraft.network.NetHandlerPlayServer.func_147361_d(NetHandlerPlayServer.java:1350) [nh.class:?]
        at net.minecraft.network.NetHandlerPlayServer.func_147354_a(NetHandlerPlayServer.java:1132) [nh.class:?]
        at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(C01PacketChatMessage.java:38) [ir.class:?]
        at net.minecraft.network.play.client.C01PacketChatMessage.func_148833_a(C01PacketChatMessage.java:53) [ir.class:?]
        at net.minecraft.network.NetworkManager.func_74428_b(NetworkManager.java:244) [ej.class:?]
        at net.minecraft.network.NetworkSystem.func_151269_c(NetworkSystem.java:173) [nc.class:?]
        at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:980) [MinecraftServer.class:?]
        at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:423) [lt.class:?]
        at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:798) [MinecraftServer.class:?]
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:658) [MinecraftServer.class:?]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_25]
Caused by: java.lang.NullPointerException
        at com.cyprias.Lifestones.Lifestones.getRandomLocation(Lifestones.java:376) ~[?:?]
        at com.cyprias.Lifestones.Lifestones.getRandomLocation(Lifestones.java:435) ~[?:?]
        at com.cyprias.Lifestones.Commands.onCommand(Commands.java:198) ~[?:?]
        at com.cyprias.Lifestones.Commands.onCommand(Commands.java:87) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[PluginCommand.class:git-Cauldron-MCPC-Plus-1.7.10-1.1236.06.212]
        ... 13 more