2013-09-04 23:22:53 [WARNING] [ZombieApocalypse] Task #32275 for ZombieApocalypse v1.4.0 generated an exception
java.lang.NullPointerException
        at com.gmail.deathbysniper727.zombieapocalypse.ZombieApocalypseListener.run(ZombieApocalypseListener.java:242)
        at org.bukkit.craftbukkit.v1_6_R2.scheduler.CraftTask.run(CraftTask.java:53)
        at org.bukkit.craftbukkit.v1_6_R2.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345)
        at net.minecraft.server.v1_6_R2.MinecraftServer.t(MinecraftServer.java:522)
        at net.minecraft.server.v1_6_R2.DedicatedServer.t(DedicatedServer.java:226)
        at net.minecraft.server.v1_6_R2.MinecraftServer.s(MinecraftServer.java:486)
        at net.minecraft.server.v1_6_R2.MinecraftServer.run(MinecraftServer.java:419)
        at net.minecraft.server.v1_6_R2.ThreadServerApplication.run(SourceFile:582)