Game doesn't start up

Minecraft Crash Report ----
// This is a token for 1 free hug. Redeem at your nearest Mojangsta: @unknown

Time: 26-8-16 21:36
Description: Initializing game

bwc: Unable to fit: minecraft:blocks/planks_birch - size: 512x512 - Maybe try a lowerresolution resourcepack?
at bwb.c(SourceFile:58)
at bwd.b(SourceFile:137)
at bwd.a(SourceFile:76)
at byo.m(SourceFile:727)
at byo.a(SourceFile:172)
at byp.a(SourceFile:23)
at bxi.a(SourceFile:100)
at bcx.an(SourceFile:517)
at bcx.a(SourceFile:381)
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 –
Thread: Client thread
Stacktrace:
at bwb.c(SourceFile:58)
at bwd.b(SourceFile:137)
at bwd.a(SourceFile:76)
at byo.m(SourceFile:727)
at byo.a(SourceFile:172)
at byp.a(SourceFile:23)
at bxi.a(SourceFile:100)
at bcx.an(SourceFile:517)

– Initialization –
Details:
Stacktrace:
at bcx.a(SourceFile:381)
at net.minecraft.client.main.Main.main(SourceFile:124)

– System Details –
Details:
Minecraft Version: 1.10.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 97962816 bytes (93 MB) / 207208448 bytes (197 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.10.2
LWJGL: 2.9.4
OpenGL: Intel(R) HD Graphics 4000 GL version 4.0.0 - Build 10.18.10.4358, Intel
GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 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: Yes
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: BackyardCraft 512x512.zip
Current Language: English (United Kingdom)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-3337U CPU @ 1.80GHz