TerraFirmaCraft Crash

---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 5/12/15 1:31 PM
Description: Rendering screen

java.lang.OutOfMemoryError: GC overhead limit exceeded
	at java.lang.SecurityManager.checkPackageAccess(SecurityManager.java:1563)
	at java.lang.ClassLoader$1.run(ClassLoader.java:502)
	at java.lang.ClassLoader$1.run(ClassLoader.java:500)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.lang.ClassLoader.checkPackageAccess(ClassLoader.java:500)
	at net.minecraft.network.NetworkSystem.func_151270_a(NetworkSystem.java:107)
	at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2124)
	at cpw.mods.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:669)
	at net.minecraft.client.gui.GuiSelectWorld.func_146615_e(GuiSelectWorld.java:183)
	at net.minecraft.client.gui.GuiSelectWorld$List.func_148144_a(GuiSelectWorld.java:257)
	at net.minecraft.client.gui.GuiSlot.func_148128_a(GuiSlot.java:209)
	at net.minecraft.client.gui.GuiSelectWorld.func_73863_a(GuiSelectWorld.java:216)
	at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1061)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:989)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
	at net.minecraft.client.main.Main.main(SourceFile:148)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


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

-- Head --
Stacktrace:
	at java.lang.SecurityManager.checkPackageAccess(SecurityManager.java:1563)
	at java.lang.ClassLoader$1.run(ClassLoader.java:502)
	at java.lang.ClassLoader$1.run(ClassLoader.java:500)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.lang.ClassLoader.checkPackageAccess(ClassLoader.java:500)
	at net.minecraft.network.NetworkSystem.func_151270_a(NetworkSystem.java:107)
	at net.minecraft.client.Minecraft.func_71371_a(Minecraft.java:2124)
	at cpw.mods.fml.client.FMLClientHandler.tryLoadExistingWorld(FMLClientHandler.java:669)
	at net.minecraft.client.gui.GuiSelectWorld.func_146615_e(GuiSelectWorld.java:183)
	at net.minecraft.client.gui.GuiSelectWorld$List.func_148144_a(GuiSelectWorld.java:257)
	at net.minecraft.client.gui.GuiSlot.func_148128_a(GuiSlot.java:209)
	at net.minecraft.client.gui.GuiSelectWorld.func_73863_a(GuiSelectWorld.java:216)

-- Screen render details --
Details:
	Screen name: net.minecraft.client.gui.GuiMainMenu
	Mouse location: Scaled: (217, 108). Absolute: (0, 63)
	Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2
Stacktrace:
	at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1061)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:989)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
	at net.minecraft.client.main.Main.main(SourceFile:148)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:483)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Mac OS X (x86_64) version 10.10.3
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 239953536 bytes (228 MB) / 1908932608 bytes (1820 MB) up to 1908932608 bytes (1820 MB)
	JVM Flags: 1 total; -Xmx2G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 11, allocated: 0, tallocated: 0
	FML: MCP v9.05 FML v7.10.85.1291 Minecraft Forge 10.13.2.1291 5 mods loaded, 5 mods active
	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
	FML{7.10.85.1291} [Forge Mod Loader] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
	Forge{10.13.2.1291} [Minecraft Forge] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
	tfc_coremod{0.79.18} [TFC[coremod]] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
	terrafirmacraft{0.79.18} [TerraFirmaCraft] ([1.7.10]TerraFirmaCraft-0.79.18.673.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
	Launched Version: 1.7.10-Forge10.13.2.1291
	LWJGL: 2.9.1
	OpenGL: Intel HD Graphics 4000 OpenGL Engine GL version 2.1 INTEL-10.6.20, Intel Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

	Is Modded: Definitely; Client brand changed to 'fml,forge'
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)