Cauldron Does'nt Work.

---- Minecraft Crash Report ----
// Don't do that.

Time: 20/09/14 17:56
Description: Exception in server tick loop

java.lang.NullPointerException
	at org.bukkit.craftbukkit.v1_6_R3.CraftServer.<init>(CraftServer.java:164)
	at net.minecraft.server.management.ServerConfigurationManager.<init>(ServerConfigurationManager.java:134)
	at net.minecraft.server.dedicated.DedicatedPlayerList.<init>(SourceFile:11)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:142)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:637)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 1.6.4
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 736871416 bytes (702 MB) / 1029046272 bytes (981 MB) up to 1029046272 bytes (981 MB)
	JVM Flags: 2 total; -Xmx1G -Xms1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	CraftBukkit Information:
   Running:
   Failed to handle CraftCrashReport:
java.lang.NullPointerException
	at org.bukkit.Bukkit.getName(Bukkit.java:72)
	at org.bukkit.craftbukkit.v1_6_R3.CraftCrashReport.call(CraftCrashReport.java:19)
	at net.minecraft.crash.CrashReportCategory.func_71500_a(CrashReportCategory.java:106)
	at net.minecraft.crash.CrashReport.func_71504_g(CrashReport.java:58)
	at net.minecraft.crash.CrashReport.<init>(CrashReport.java:40)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:693)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:583)

	FML: MCP v8.11 FML v6.4.49.965 Minecraft Forge 9.11.1.965 3 mods loaded, 3 mods active
	mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized
	FML{6.4.49.965} [Forge Mod Loader] (cauldron-1.6.4-1.965.21.204-server.jar) Unloaded->Constructed->Pre-initialized
	Forge{9.11.1.965} [Minecraft Forge] (cauldron-1.6.4-1.965.21.204-server.jar) Unloaded->Constructed->Pre-initialized
	Profiler Position: N/A (disabled)
	Is Modded: Definitely; Server brand changed to 'mcpc,cauldron,craftbukkit,fml,forge'
	Type: Dedicated Server (map_server.txt)