---- Minecraft Crash Report ----
// I'm sorry, Dave.

Time: 5/26/13 10:06 PM
Description: Exception in server tick loop

java.lang.NoSuchMethodError: com.google.common.collect.Multisets.copyHighestCountFirst(Lcom/google/common/collect/Multiset;)Lcom/google/common/collect/ImmutableMultiset;
	at cpw.mods.fml.common.Loader.identifyDuplicates(Loader.java:379)
	at cpw.mods.fml.common.Loader.identifyMods(Loader.java:348)
	at cpw.mods.fml.common.Loader.loadMods(Loader.java:479)
	at cpw.mods.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:85)
	at cpw.mods.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:350)
	at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:94)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:580)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 1.5.2
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_21, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 98453672 bytes (93 MB) / 259915776 bytes (247 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -Xms63M -Xmx1024M
	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:69)
	at org.bukkit.craftbukkit.v1_5_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:59)
	at net.minecraft.crash.CrashReport.<init>(CrashReport.java:41)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:637)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)

	FML: MCP v7.51 FML v5.2.12.712 Minecraft Forge 7.8.0.712 3 mods loaded, 0 mods active
	mcp{7.44} [Minecraft Coder Pack] (minecraft.jar) 
	FML{5.2.12.712} [Forge Mod Loader] (coremods) 
	Forge{7.8.0.712} [Minecraft Forge] (coremods) 
	Profiler Position: N/A (disabled)
	Is Modded: Definitely; Server brand changed to 'mcpc,craftbukkit,fml,forge'
	Type: Dedicated Server (map_server.txt)