Minecraft Forge Crashes

This isn't my error report since my forge works perfectly, just my brothers always crashes, does anyone know how to fix this? Also here's there error:

---- Minecraft Crash Report ----

// You're mean.

Time: 30/04/16 10:12

Description: Initializing game

net.minecraft.client.renderer.StitcherException: Unable to fit: missingno - size: 16x16 - Maybe try a lowerresolution resourcepack?

at net.minecraft.client.renderer.texture.Stitcher.func_94305_f(Stitcher.java:72)

at net.minecraft.client.renderer.texture.TextureMap.func_110571_b(TextureMap.java:258)

at net.minecraft.client.renderer.texture.TextureMap.func_174943_a(TextureMap.java:94)

at net.minecraftforge.client.model.ModelLoader.func_177570_a(ModelLoader.java:125)

at net.minecraft.client.resources.model.ModelManager.func_110549_a(ModelManager.java:28)

at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110542_a(SimpleReloadableResourceManager.java:120)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:478)

at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329)

at net.minecraft.client.main.Main.main(SourceFile:124)

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:135)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

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:72)

at net.minecraft.client.renderer.texture.TextureMap.func_110571_b(TextureMap.java:258)

at net.minecraft.client.renderer.texture.TextureMap.func_174943_a(TextureMap.java:94)

at net.minecraftforge.client.model.ModelLoader.func_177570_a(ModelLoader.java:125)

at net.minecraft.client.resources.model.ModelManager.func_110549_a(ModelManager.java:28)

at net.minecraft.client.resources.SimpleReloadableResourceManager.func_110542_a(SimpleReloadableResourceManager.java:120)

at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:478)

-- Initialization --

Details:

Stacktrace:

at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329)

at net.minecraft.client.main.Main.main(SourceFile:124)

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:135)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --

Details:

Minecraft Version: 1.8.9

Operating System: Windows Vista (x86) version 6.0

Java Version: 1.8.0_91, Oracle Corporation

Java VM Version: Java HotSpot Client VM (mixed mode), Oracle Corporation

Memory: 130284880 bytes (124 MB) / 269524992 bytes (257 MB) up to 523501568 bytes (499 MB)

JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

FML: MCP 9.19 Powered by Forge 11.15.1.1855 3 mods loaded, 3 mods active

States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

UCH mcp{9.19} [Minecraft Coder Pack] (minecraft.jar)

UCH FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.1855.jar)

UCH Forge{11.15.1.1855} [Minecraft Forge] (forge-1.8.9-11.15.1.1855.jar)

Loaded coremods (and transformers):

GL info: ' Vendor: 'Intel' Version: '1.5.0 - Build 7.15.10.1502' Renderer: 'Intel Cantiga'

Launched Version: 1.8.9-forge1.8.9-11.15.1.1855

LWJGL: 2.9.4

OpenGL: Intel Cantiga GL version 1.5.0 - Build 7.15.10.1502, Intel

GL Caps: Using GL 1.3 multitexturing.

Using GL 1.3 texture combiners.

Not using framebuffer objects because OpenGL 1.4 is not supported, EXT_blend_func_separate is supported, OpenGL 3.0 is not supported, ARB_framebuffer_object is not supported, and EXT_framebuffer_object is not supported.

Shaders are not available because OpenGL 2.1 is not supported, ARB_shader_objects is not supported, ARB_vertex_shader is not supported, and ARB_fragment_shader is not supported.

VBOs are available because OpenGL 1.5 is supported.

Using VBOs: No

Is Modded: Definitely; Client brand changed to 'fml,forge'

Type: Client (map_client.txt)

Resource Packs: Tiny Pixels - 25th October.zip

Current Language: English (US)

Profiler Position: N/A (disabled)

CPU: 2x Genuine Intel® CPU T1600 @ 1.66GHz