crashed because registering textures

Minecraft Crash Report ----
// Ouch. That hurt 😞

Time: 1/26/14 11:33 AM
Description: Registering texture

bqr: Unable to fit: glass_pane_top_blue - size: 512x512 - Maybe try a lowerresolution resourcepack?
at bqo.c(SourceFile:56)
at bqs.b(SourceFile:203)
at bqs.a(SourceFile:90)
at bqy.a(SourceFile:72)
at bqy.a(SourceFile:61)
at bqy.a(SourceFile:52)
at azi.ad(SourceFile:422)
at azi.f(SourceFile:696)
at net.minecraft.client.main.Main.main(SourceFile:152)

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

– Head –
Stacktrace:
at bqo.c(SourceFile:56)
at bqs.b(SourceFile:203)
at bqs.a(SourceFile:90)

– Resource location being registered –
Details:
Resource location: minecraft:textures/atlas/blocks.png
Texture object class: bqs
Stacktrace:
at bqy.a(SourceFile:72)
at bqy.a(SourceFile:61)
at bqy.a(SourceFile:52)
at azi.ad(SourceFile:422)

– Initialization –
Details:
Stacktrace:
at azi.f(SourceFile:696)
at net.minecraft.client.main.Main.main(SourceFile:152)

– System Details –
Details:
Minecraft Version: 1.7.4
Operating System: Mac OS X (x86_64) version 10.9.1
Java Version: 1.6.0_65, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 57904328 bytes (55 MB) / 1065025536 bytes (1015 MB) up to 1065025536 bytes (1015 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: 1.7.4
LWJGL: 2.9.1
OpenGL: AMD Radeon HD 6750M OpenGL Engine GL version 2.1 ATI-1.14.21, ATI Technologies 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: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: [Zelda Pack update 1, Sphax PureBDcraft 512x MC17]
Current Language: Canadian English (CA)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~_ERROR~ NullPointerException: null
Anisotropic Filtering: Off (1)