Ulroip

java.lang.ArrayIndexOutOfBoundsException: -1
at aqz.a(SourceFile:552)
at bap.b(SourceFile:152)
at bap.a(SourceFile:70)
at bap.a(SourceFile:53)
at bah.a(SourceFile:217)
at bkp.a(SourceFile:1036)
at azx.as(SourceFile:954)
at azx.a(SourceFile:377)
at net.minecraft.client.main.Main.main(SourceFile:125)

A detailed walkthrough of the error, its code path and all known details is as follows:
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– Head –
Stacktrace:
at aqz.a(SourceFile:552)
at bap.b(SourceFile:152)
at bap.a(SourceFile:70)
at bap.a(SourceFile:53)
at bah.a(SourceFile:217)

– Affected level –
Details:
Level name: MpServer
All players: 1 total; [bkc['URoulon'/10871, l='MpServer', x=-419,80, y=-0,06, z=86,94]]
Chunk stats: MultiplayerChunkCache: 440, 440
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: World: (-440,4,95), Chunk: (at 8,0,15 in -28,5; contains blocks -448,0,80 to -433,255,95), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Level time: 114 game time, 114 day time
Level dimension: 0
Level storage version: 0x00000 - Unknown?
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
Forced entities: 1 total; [bkc['URoulon'/10871, l='MpServer', x=-419,80, y=-0,06, z=86,94]]
Retry entities: 0 total; []
Server brand: vanilla
Server type: Integrated singleplayer server
Stacktrace:
at bid.a(SourceFile:366)
at azx.b(SourceFile:2369)
at azx.a(SourceFile:391)
at net.minecraft.client.main.Main.main(SourceFile:125)

– System Details –
Details:
Minecraft Version: 15w37a
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: 197939416 bytes (188 MB) / 802480128 bytes (765 MB) up to 4241293312 bytes (4044 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx4G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn512M
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Launched Version: 15w37a
LWJGL: 2.9.4
OpenGL: AMD Radeon HD 7800 Series GL version 4.5.13399 Compatibility Profile Context 15.200.1062.1004, ATI Technologies Inc.
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: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs:
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 8x AMD FX(tm)-8350 Eight-Core Processor