Java crash

[Tommyboats]

Title: Java crash

Version: 0.5.1

OS: OpenGL: Intel® HD Graphics 3000 GL version 3.1.0 - Build 8.15.10.2618, Intel i5 Processer 2.4GHz, Memory(RAM): 4.00 GB, 1696 MB Total available graphics memory, Primary hard disk: 469GB Free (579GB Total)

Java Version: 7.0.110.21

Description of Problem:

Just crashes when displaying mojang screen

Error Messages:

None

Error Log:

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

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What i think is the culprit; Mystcraft [Mystcraft] (mystcraft-uni-1.4.6-0.9.5.00.zip) Unloaded->Constructed->Errored



-- System Details --

Details:

	Minecraft Version: 1.4.7

	Operating System: Windows 7 (x86) version 6.1

	Java Version: 1.7.0_11, Oracle Corporation

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

	Memory: 47387600 bytes (45 MB) / 125927424 bytes (120 MB) up to 1037959168 bytes (989 MB)

	JVM Flags: 1 total; -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

	FML: MCP v7.26 FML v4.7.4.520 Minecraft Forge 6.6.0.497 62 mods loaded, 62 mods active

	

	LWJGL: 2.4.2

	OpenGL: Intel® HD Graphics 3000 GL version 3.1.0 - Build 8.15.10.2618, Intel

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

	Type: Client (map_client.txt)

	Texture Pack: Default

	Profiler Position: N/A (disabled)

	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null





Caused by: java.lang.IllegalArgumentException: Slot 4095 is already occupied by ic2.core.block.BlockTex@98071c when adding xcompwiz.mystcraft.BlockLinkModifier@dce305

	at amq.<init>(Block.java:326)

	at akb.<init>(BlockContainer.java:11)

	at xcompwiz.mystcraft.BlockLinkModifier.<init>(BlockLinkModifier.java:45)

	at xcompwiz.mystcraft.BlockLinkModifier.<clinit>(BlockLinkModifier.java:29)

	... 32 more