I know this is a few months old from last time it was posted in but can you tell me what i am doing wrong? I downloaded it and it crashes after the "Mojang" screen this is the log
---- Minecraft Crash Report ----
// My bad.
Time: 5/18/15 12:35 PM
Description: Registering texture
net.minecraft.client.renderer.StitcherException: Unable to fit: forestry:crates/uum - size: 16x16 - Maybe try a lowerresolution texturepack?
    at net.minecraft.client.renderer.texture.Stitcher.func_94305_f(Stitcher.java:79)
    at net.minecraft.client.renderer.texture.TextureMap.func_110571_b(TextureMap.java:100)
    at net.minecraft.client.renderer.texture.TextureMap.func_110551_a(TextureMap.java:57)
    at net.minecraft.client.renderer.texture.TextureManager.func_110579_a(SourceFile:69)
    at net.minecraft.client.renderer.texture.TextureManager.func_110549_a(SourceFile:133)
    at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110544_b(SourceFile:99)
    at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110541_a(SourceFile:87)
    at net.minecraft.client.Minecraft.func_110436_a(Minecraft.java:543)
    at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:265)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:509)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:808)
    at net.minecraft.client.main.Main.main(SourceFile:101)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Stacktrace:
    at net.minecraft.client.renderer.texture.Stitcher.func_94305_f(Stitcher.java:79)
    at net.minecraft.client.renderer.texture.TextureMap.func_110571_b(TextureMap.java:100)
    at net.minecraft.client.renderer.texture.TextureMap.func_110551_a(TextureMap.java:57)
-- Resource location being registered --
Details:
    Resource location: minecraft:textures/atlas/items.png
    Texture object class: net.minecraft.client.renderer.texture.TextureMap
Stacktrace:
    at net.minecraft.client.renderer.texture.TextureManager.func_110579_a(SourceFile:69)
    at net.minecraft.client.renderer.texture.TextureManager.func_110549_a(SourceFile:133)
    at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110544_b(SourceFile:99)
    at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110541_a(SourceFile:87)
    at net.minecraft.client.Minecraft.func_110436_a(Minecraft.java:543)
    at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:265)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:509)
-- Initialization --
Details:
Stacktrace:
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:808)
    at net.minecraft.client.main.Main.main(SourceFile:101)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:131)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
-- System Details --
Details:
    Minecraft Version: 1.6.4
    Operating System: Windows 7 (amd64) version 6.1
    Java Version: 1.7.0_80, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 455532288 bytes (434 MB) / 1502609408 bytes (1433 MB) up to 1502609408 bytes (1433 MB)
    JVM Flags: 4 total; -Xms256M -Xmx1536M -XX

ermSize=256m -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump
    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
   
    Ender-Quarry Relfection Code:: No problems here
    Launched Version: 1.6.4
    LWJGL: 2.9.1
    OpenGL: Intel 965/963 Graphics Media Accelerator GL version 2.0.0 - Build 8.14.10.1930, Intel
    Is Modded: Definitely; Client brand changed to 'fml,forge'
    Type: Client (map_client.txt)
    Resource Pack: Default
    Current Language: English (US)
    Profiler Position: N/A (disabled)
    Vec3 Pool Size: ~~ERROR~~ NullPointerException: null