Solved Server Wont Start

I get this error

Code:

18:48:20 [INFO] Placed stronghold in INVALID biome at (70, 13)
18:48:21 [SEVERE] java.lang.NullPointerException
18:48:21 [SEVERE]      at org.bukkit.craftbukkit.CraftServer.getWorld(CraftServ
er.java:772)
18:48:21 [SEVERE]      at org.bukkit.craftbukkit.CraftServer.addWorld(CraftServ
er.java:781)
18:48:21 [SEVERE]      at net.minecraft.server.World.<init>(World.java:168)
18:48:21 [SEVERE]      at net.minecraft.server.WorldServer.<init>(WorldServer.j
ava:27)
18:48:21 [SEVERE]      at net.minecraft.server.SecondaryWorldServer.<init>(Seco
ndaryWorldServer.java:8)
18:48:21 [SEVERE]      at net.minecraft.server.MinecraftServer.a(MinecraftServe
r.java:305)
18:48:21 [SEVERE]      at net.minecraft.server.MinecraftServer.init(MinecraftSe
rver.java:197)
18:48:21 [SEVERE]      at net.minecraft.server.MinecraftServer.run(MinecraftSer
ver.java:432)
18:48:21 [SEVERE]      at net.minecraft.server.ThreadServerApplication.run(Sour
ceFile:492)
18:48:21 [SEVERE] Unexpected exception
java.lang.NullPointerException
        at org.bukkit.craftbukkit.CraftServer.getWorld(CraftServer.java:772)
        at org.bukkit.craftbukkit.CraftServer.addWorld(CraftServer.java:781)
        at net.minecraft.server.World.<init>(World.java:168)
        at net.minecraft.server.WorldServer.<init>(WorldServer.java:27)
        at net.minecraft.server.SecondaryWorldServer.<init>(SecondaryWorldServer
.java:8)
        at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:305)
        at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:197)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:432)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
>

All my logs are in this file
https://dl.dropbox.com/u/27472578/logs.zip