Put the summary of the bug you're having here

What I expected to happen was...:
i thing that minecraft starts normaly

What actually happened was...:
i click on minecraft to play then there comes the mojang logo and then there was a crash report

Steps to Reproduce:
1.I start minecraft
2. then the game loads
3. And than there came the minecraft crash report

And there is the Bug/crash report:---- Minecraft Crash Report ----
// Ooh. Shiny.

Time: 04.11.15 16:04
Description: Initializing game

bmg: Unable to fit: minecraft:items/fireball - size: 128x128 - 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: 1.8.8
Operating System: Mac OS X (x86_64) version 10.11.1
Java Version: 1.8.0_60, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 163334216 bytes (155 MB) / 352567296 bytes (336 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.8.8
LWJGL: 2.9.2
OpenGL: ATI Radeon HD 2600 PRO OpenGL Engine GL version 2.1 ATI-10.0.40, ATI Technologies Inc.
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 128x MC18
Current Language: Deutsch (Deutschland)
Profiler Position: N/A (disabled)
CPU: 2x Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz