Ive played this morning and got this texture pack and i stoped playing.when i wanted to play again, i launched the game but it has a error it says this.

---- Minecraft Crash Report ----
// Don't do that.

Time: 6/1/14 5:47 PM
Description: Registering texture

bsk: Unable to fit: wool_colored_yellow - size: 256x256 - Maybe try a lowerresolution resourcepack?
	at bsh.c(SourceFile:56)
	at bsl.b(SourceFile:203)
	at bsl.a(SourceFile:90)
	at bsr.a(SourceFile:72)
	at bsr.a(SourceFile:61)
	at bsr.a(SourceFile:52)
	at ban.ag(SourceFile:439)
	at ban.f(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:148)


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

-- Head --
Stacktrace:
	at bsh.c(SourceFile:56)
	at bsl.b(SourceFile:203)
	at bsl.a(SourceFile:90)

-- Resource location being registered --
Details:
	Resource location: minecraft:textures/atlas/blocks.png
	Texture object class: bsl
Stacktrace:
	at bsr.a(SourceFile:72)
	at bsr.a(SourceFile:61)
	at bsr.a(SourceFile:52)
	at ban.ag(SourceFile:439)

-- Initialization --
Details:
Stacktrace:
	at ban.f(SourceFile:713)
	at net.minecraft.client.main.Main.main(SourceFile:148)

-- System Details --
Details:
	Minecraft Version: 1.7.9
	Operating System: Mac OS X (x86_64) version 10.6.8
	Java Version: 1.6.0_65, Apple Inc.
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
	Memory: 41696160 bytes (39 MB) / 127471616 bytes (121 MB) up to 1069416448 bytes (1019 MB)
	JVM Flags: 1 total; -Xmx1G
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.7.9
	LWJGL: 2.9.1
	OpenGL: NVIDIA GeForce 320M OpenGL Engine GL version 2.1 NVIDIA-1.6.36, NVIDIA Corporation
	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: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: [Detailed Realism 256x v4.5]
	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)

thats what it said

Looks like your computer is unable to handle the size of that texture pack. This is a technical support issue; this site is for bug reports only. For technical support please use the Mojang Support Center.