The launcher would not send it because it said it was modded, The only thing I changed was putting it on Large Biome.

This is what it said:
---- Minecraft Crash Report ----
// Ouch. That hurt

Time: 7/24/14 1:21 AM
Description: Tesselating block model

java.lang.IndexOutOfBoundsException
at java.nio.Buffer.checkIndex(Unknown Source)
at java.nio.DirectIntBufferU.get(Unknown Source)
at chc.a(SourceFile:175)
at cjs.a(SourceFile:159)
at cjs.a(SourceFile:81)
at cjs.a(SourceFile:43)
at cjs.a(SourceFile:35)
at cjq.a(SourceFile:62)
at cmt.b(SourceFile:156)
at cmm.a(SourceFile:71)
at cmm.run(SourceFile:31)
at java.lang.Thread.run(Unknown Source)

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

– Head –
Stacktrace:
at java.nio.Buffer.checkIndex(Unknown Source)
at java.nio.DirectIntBufferU.get(Unknown Source)
at chc.a(SourceFile:175)
at cjs.a(SourceFile:159)
at cjs.a(SourceFile:81)

– Block model being tesselated –
Details:
Block: minecraft:leaves2[check_decay=false,decayable=true,variant=dark_oak]
Block location: World: (-54,75,92), Chunk: (at 10,4,12 in -4,5; contains blocks -64,0,80 to -49,255,95), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Using AO: true
Stacktrace:
at cjs.a(SourceFile:43)
at cjs.a(SourceFile:35)

– Block being tesselated –
Details:
Block type: ID #161 (tile.leaves // axc)
Block data value: 1 / 0x1 / 0b0001
Block location: World: (-54,75,92), Chunk: (at 10,4,12 in -4,5; contains blocks -64,0,80 to -49,255,95), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
at cjq.a(SourceFile:62)
at cmt.b(SourceFile:156)
at cmm.a(SourceFile:71)
at cmm.run(SourceFile:31)
at java.lang.Thread.run(Unknown Source)

– System Details –
Details:
Minecraft Version: 14w30b
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.7.0_55, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 380616488 bytes (362 MB) / 599785472 bytes (572 MB) up to 954728448 bytes (910 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 99