Worlds being ruined

[Mansworth]

Title: Worlds being ruined

Version: 1_0_4

OS: Windows 7 Professional 64-bit

Java Version: Version 7 Update 5 Build 1.7.0_05-b05

Description of Problem:

Half of the blocks keep disappearing.

Error Messages:

[WARNING] Skipping TileEntity with id BetterDungeonSpwaner

Error Log:

---- Minecraft Crash Report ----

// Don't be sad. I'll do better next time, I promise!



Time: 10/22/13 5:53 PM

Description: Exception in server tick loop



java.lang.IllegalArgumentException: URI has an authority component

	at java.io.File.<init>(Unknown Source)

	at cpw.mods.fml.common.ModClassLoader.getParentSources(ModClassLoader.java:66)

	at cpw.mods.fml.common.discovery.ModDiscoverer.findClasspathMods(ModDiscoverer.java:45)

	at cpw.mods.fml.common.Loader.identifyMods(Loader.java:342)

	at cpw.mods.fml.common.Loader.loadMods(Loader.java:480)

	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:69)

	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:431)

	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)





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: 1.5.2

	Operating System: Windows 7 (x86) version 6.1

	Java Version: 1.7.0_45, Oracle Corporation

	Java VM Version: Java HotSpot Client VM (mixed mode, sharing), Oracle Corporation

	Memory: 20259144 bytes (19 MB) / 37744640 bytes (35 MB) up to 259522560 bytes (247 MB)

	JVM Flags: 0 total; 

	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

	FML: MCP v7.51 FML v5.2.23.737 Minecraft Forge 7.8.1.737 7 mods loaded, 0 mods active

	mcp{7.51} [Minecraft Coder Pack] (minecraft.jar) 

	FML{5.2.23.737} [Forge Mod Loader] (coremods) 

	Forge{7.8.1.737} [Minecraft Forge] (coremods) 

	CodeChickenCore{0.8.7.3} [CodeChicken Core] (coremods) 

	CoFHFramework{1.5.2.5} [CoFH Framework] (coremods) 

	ImmibisMicroblocks{55.0.7} [immibis's Microblocks] (coremods) 

	NotEnoughItems{1.5.2.28} [Not Enough Items] (coremods) 

	Profiler Position: N/A (disabled)

	Is Modded: Definitely; Server brand changed to 'fml,forge'

	Type: Dedicated Server (map_server.txt)