---- Minecraft Crash Report ----
// I feel sad now :(

Time: 4/6/13 11:00 AM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraft/client/Minecraft
	at TFC.Items.ItemIngot.func_77648_a(ItemIngot.java:275)
	at net.minecraft.item.ItemStack.func_77943_a(ItemStack.java:149)
	at net.minecraft.item.ItemInWorldManager.func_73078_a(ItemInWorldManager.java:425)
	at net.minecraft.network.NetServerHandler.func_72472_a(NetServerHandler.java:553)
	at net.minecraft.network.packet.Packet15Place.func_73279_a(SourceFile:58)
	at net.minecraft.network.TcpConnection.func_74428_b(TcpConnection.java:461)
	at net.minecraft.network.NetServerHandler.func_72570_d(NetServerHandler.java:134)
	at net.minecraft.network.NetworkListenThread.func_71747_b(NetworkListenThread.java:53)
	at net.minecraft.server.dedicated.DedicatedServerListenThread.func_71747_b(SourceFile:30)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:674)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:274)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:570)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:468)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:211)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 14 more
Caused by: java.lang.RuntimeException: Attempted to load class net/minecraft/client/Minecraft for invalid side SERVER
	at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
	at cpw.mods.fml.relauncher.RelaunchClassLoader.runTransformers(RelaunchClassLoader.java:292)
	at cpw.mods.fml.relauncher.RelaunchClassLoader.findClass(RelaunchClassLoader.java:199)
	... 16 more


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: 1.5.1
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.6.0_39, Sun Microsystems Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Sun Microsystems Inc.
	Memory: 986702432 bytes (940 MB) / 1182203904 bytes (1127 MB) up to 2863333376 bytes (2730 MB)
	JVM Flags: 2 total; -Xms1G -Xmx3G
	AABB Pool Size: 5638 (315728 bytes; 0 MB) allocated, 5324 (298144 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 20136, allocated: 1, tallocated: 31
	FML: MCP v7.44 FML v5.1.13.629 Minecraft Forge 7.7.1.629 4 mods loaded, 4 mods active
	mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	TerraFirmaCraft [TerraFirmaCraft] (TFCraft-Universal-Core-B2-Build76Hotfix8.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1535 (85960 bytes; 0 MB) allocated, 1535 (85960 bytes; 0 MB) used
	Player Count: 1 / 20; [EntityPlayerMP['Baulten'/234, l='world', x=601.65, y=151.88, z=-11237.32]]
	Is Modded: Definitely; Server brand changed to 'fml,forge'
	Type: Dedicated Server (map_server.txt)