Tekkit+Optifine Crash

---- Minecraft Crash Report ----
// There are four lights!

Time: 5/6/13 8:41 AM
Description: Failed to start game

org.lwjgl.opengl.OpenGLException: Invalid value (1281)
	at org.lwjgl.opengl.Util.checkGLError(Util.java:56)
	at org.lwjgl.opengl.Display.swapBuffers(Display.java:645)
	at net.minecraft.client.Minecraft.func_71357_I(Minecraft.java:517)
	at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:406)
	at net.minecraft.client.MinecraftAppletImpl.func_71384_a(SourceFile:56)
	at net.minecraft.client.Minecraft.run(Minecraft.java:732)
	at java.lang.Thread.run(Thread.java:680)


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: Mac OS X (x86_64) version 10.7.4
	Java Version: 1.6.0_33, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 37167544 bytes (35 MB) / 126603264 bytes (120 MB) up to 1606287360 bytes (1531 MB)
	JVM Flags: 2 total; -Xmx1536m -XX:MaxPermSize=128m
	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:
	LWJGL: 2.4.2
	OpenGL: NVIDIA GeForce 320M OpenGL Engine GL version 2.1 NVIDIA-7.18.18, NVIDIA Corporation
	Is Modded: Definitely; Client brand changed to 'fml,forge'
	Type: Client (map_client.txt)
	Texture Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: ~~ERROR~~ NullPointerException: null