My gam crashed while playing ssm and i see a sky-like gradient and my game crashed:
---- Minecraft Crash Report ----
// I let you down. Sorry

Time: 16/03/15 07:59
Description: Rendering entity in world

java.lang.ClassCastException: java.lang.String cannot be cast to java.lang.Byte
at qa.a(SourceFile:92)
at wo.a(SourceFile:1844)
at blo.d(SourceFile:72)
at blo.a(SourceFile:56)
at blo.a(SourceFile:19)
at biv.a(SourceFile:295)
at biv.a(SourceFile:260)
at biv.a(SourceFile:227)
at bfs.a(SourceFile:596)
at bfl.a(SourceFile:1244)
at bfl.b(SourceFile:1149)
at bfl.a(SourceFile:1002)
at avf.av(SourceFile:914)
at avf.a(SourceFile:325)
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 qa.a(SourceFile:92)
at wo.a(SourceFile:1844)
at blo.d(SourceFile:72)
at blo.a(SourceFile:56)
at blo.a(SourceFile:19)

-- Entity being rendered --
Details:
Entity Type: null (bey)
Entity ID: 43164
Entity Name: JasperCat101
Entity's Exact location: -15,47, -17,69, -17,72
Entity's Block location: -16,00,-18,00,-18,00 - World: (-16,-18,-18), Chunk: (at 0,-2,14 in -1,-2; contains blocks -16,0,-32 to -1,255,-17), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Entity's Momentum: 0,00, 0,00, 0,00
Entity's Rider: ~~ERROR~~ NullPointerException: null
Entity's Vehicle: ~~ERROR~~ NullPointerException: null

-- Renderer details --
Details:
Assigned renderer: blo@1b5496fd
Location: -12,21,-64,69,-40,49 - World: (-13,-65,-41), Chunk: (at 3,-5,7 in -1,-3; contains blocks -16,0,-48 to -1,255,-33), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Rotation: -57.65625
Delta: 0.09861469
Stacktrace:
at biv.a(SourceFile:295)
at biv.a(SourceFile:260)
at biv.a(SourceFile:227)
at bfs.a(SourceFile:596)
at bfl.a(SourceFile:1244)
at bfl.b(SourceFile:1149)

-- Affected level --
Details:
Level name: MpServer
All players: 2 total; [bex['inPigglet'/8922233, l='MpServer', x=-3,26, y=47,00, z=22,74], bey['JasperCat101'/43164, l='MpServer', x=-15,47, y=-17,69, z=-17,72]]
Chunk stats: MultiplayerChunkCache: 441, 441
Level seed: 0
Level generator: ID 01 - flat, ver 0. Features enabled: false
Level generator options:
Level spawn location: -14,00,46,00,-14,00 - World: (-14,46,-14), Chunk: (at 2,2,2 in -1,-1; contains blocks -16,0,-16 to -1,255,-1), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 53584 game time, 503700028 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: survival (ID 0). Hardcore: false. Cheats: false
Forced entities: 21 total; [bey['Nana8Garner'/39349, l='MpServer', x=-5,81, y=39,00, z=-3,88], bey['JasperCat101'/43164, l='MpServer', x=-3,50, y=47,00, z=-38,50], bey['JasperCat101'/43164, l='MpServer', x=12,38, y=46,00, z=-8,66], un['§eLoutij92'/52890, l='MpServer', x=-13,78, y=47,35, z=-12,78], bey['Nana8Garner'/39349, l='MpServer', x=6,22, y=-19,00, z=-35,59], bex['inPigglet'/8922233, l='MpServer', x=-3,26, y=47,00, z=22,74], bey['Loutij92'/49642, l='MpServer', x=8,94, y=47,69, z=-8,13], bey['Nana8Garner'/39349, l='MpServer', x=4,69, y=39,06, z=-0,81], wr['Flecha'/53436, l='MpServer', x=-34,50, y=51,09, z=-65,16], wr['Flecha'/53437, l='MpServer', x=-62,71, y=17,18, z=-139,04], bey['JasperCat101'/43164, l='MpServer', x=-6,13, y=39,00, z=5,25], bey['Nana8Garner'/39349, l='MpServer', x=-35,50, y=47,00, z=-6,50], bey['Nana8Garner'/39349, l='MpServer', x=31,50, y=48,00, z=-5,50], bey['Nana8Garner'/39349, l='MpServer', x=-11,72, y=39,00, z=-0,41], un['§eJasperCat101'/52304, l='MpServer', x=100,00, y=64,00, z=100,00], bey['Nana8Garner'/39349, l='MpServer', x=6,03, y=-6,88, z=-32,81], bey['Loutij92'/49642, l='MpServer', x=-35,50, y=47,00, z=-6,50], bey['Nana8Garner'/39349, l='MpServer', x=31,50, y=48,00, z=-5,50], bey['JasperCat101'/43164, l='MpServer', x=-35,50, y=47,00, z=-6,50], un['§eJasperCat101'/51312, l='MpServer', x=100,00, y=64,00, z=100,00], bey['JasperCat101'/43164, l='MpServer', x=-15,47, y=-17,69, z=-17,72]]
Retry entities: 0 total; []
Server brand: BungeeCord (git:BungeeCord-Bootstrap:1.8-SNAPSHOT:"ef364d9":1021) <- Spigot
Server type: Non-integrated multiplayer server
Stacktrace:
at bdc.a(SourceFile:309)
at avf.b(SourceFile:2296)
at avf.a(SourceFile:334)
at net.minecraft.client.main.Main.main(SourceFile:124)

-- System Details --
Details:
Minecraft Version: 1.8.2
Operating System: Windows 8.1 (amd64) version 6.3
CPU: 2x Intel(R) Pentium(R) CPU B950 @ 2.10GHz
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 109154720 bytes (104 MB) / 319975424 bytes (305 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: 13, tallocated: 95
Launched Version: 1.8.2
LWJGL: 2.9.4
OpenGL: Intel(R) HD Graphics GL version 3.1.0 - Build 9.17.10.3347, 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: No
Is Modded: Probably not. Jar signature remains and client brand is untouched.
Type: Client (map_client.txt)
Resource Packs: [ocdpack187113693.zip]
Current Language: Español (Argentina)
Profiler Position: N/A (disabled)