I get this when I try to select spahx resorce pack I have put it in the right location and everything I think I get this crash report


Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 25/07/13 13:06
Description: Registering texture

java.lang.OutOfMemoryError: Java heap space
at bim.a(SourceFile:100)
at bim.a(SourceFile:90)
at bim.a(SourceFile:78)
at bic.a(SourceFile:45)
at bij.a(TextureManager.java:80)
at bij.a(TextureManager.java:169)
at bjt.c(SourceFile:99)
at bjt.a(SourceFile:87)
at ats.a(SourceFile:406)
at bjx.a(SourceFile:158)
at awd.a(SourceFile:173)
at bjw.a(SourceFile:109)
at bfb.b(EntityRenderer.java:1149)
at ats.S(SourceFile:686)
at ats.d(SourceFile:619)
at net.minecraft.client.main.Main.main(SourceFile:101)


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

-- Head --
Stacktrace:
at bim.a(SourceFile:100)
at bim.a(SourceFile:90)
at bim.a(SourceFile:78)
at bic.a(SourceFile:45)

-- Resource location being registered --
Details:
Resource location: minecraft:textures/entity/zombie_pigman.png
Texture object class: bic
Stacktrace:
at bij.a(TextureManager.java:80)
at bij.a(TextureManager.java:169)
at bjt.c(SourceFile:99)
at bjt.a(SourceFile:87)
at ats.a(SourceFile:406)
at bjx.a(SourceFile:158)
at awd.a(SourceFile:173)
at bjw.a(SourceFile:109)

-- Screen render details --
Details:
Screen name: bjw
Mouse location: Scaled: (184, 185). Absolute: (554, 405)
Screen size: Scaled: (427, 321). Absolute: (1280, 962). Scale factor of 3
Stacktrace:
at bfb.b(EntityRenderer.java:1149)
at ats.S(SourceFile:686)
at ats.d(SourceFile:619)
at net.minecraft.client.main.Main.main(SourceFile:101)

-- System Details --
Details:
Minecraft Version: 1.6.2
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.7.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode, sharing), Oracle Corporation
Memory: 16520480 bytes (15 MB) / 518979584 bytes (494 MB) up to 518979584 bytes (494 MB)
JVM Flags: 1 total; -Xmx512M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
Suspicious classes: Config, VersionCheckThread, Reflector, ...]
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.6.2 OptiFine
LWJGL: 2.9.0
OpenGL: ATI FireMV 2250 (Microsoft Corporation - WDDM) GL version 2.1.8545 Release, ATI Technologies Inc.
Is Modded: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Resource Pack: mccw
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null