Put the summary of the bug you're having here

What I expected to happen was...:
launch minecraft sucessfully.

What actually happened was...:
---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 2016/1/28 下午 3:24
Description: Initializing game

bmg: Unable to fit: minecraft:items/fish_pufferfish_raw - size: 512x512 - Maybe try a lowerresolution resourcepack?
at bmf.c(SourceFile:60)
at bmh.b(SourceFile:197)
at bmh.a(SourceFile:77)
at bot.j(SourceFile:553)
at bot.a(SourceFile:139)
at bou.a(SourceFile:23)
at bnn.a(SourceFile:99)
at ave.am(SourceFile:448)
at ave.a(SourceFile:310)
at net.minecraft.client.main.Main.main(SourceFile:124)

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

– Head –
Stacktrace:
at bmf.c(SourceFile:60)
at bmh.b(SourceFile:197)
at bmh.a(SourceFile:77)
at bot.j(SourceFile:553)
at bot.a(SourceFile:139)
at bou.a(SourceFile:23)
at bnn.a(SourceFile:99)
at ave.am(SourceFile:448)

– Initialization –
Details:
Stacktrace:
at ave.a(SourceFile:310)
at net.minecraft.client.main.Main.main(SourceFile:124)

– System Details –
Details:
Minecraft Version: 1.8.9
Operating System: Mac OS X (x86_64) version 10.10.5
Java Version: 1.8.0_60, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 693907592 bytes (661 MB) / 2044887040 bytes (1950 MB) up to 2134114304 bytes (2035 MB)
JVM Flags: 5 total; -Xmx2G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.8.9
LWJGL: 2.9.2
OpenGL: Intel(R) Iris(TM) Graphics 6100 GL version 2.1 INTEL-10.6.33, Intel
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: PureBDcraft 512x MC18
Current Language: 繁體中文 (台灣)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-5257U CPU @ 2.70GHz

Steps to Reproduce:
1. lauched minecraft
2. crashed occurred.
3. ...