El crash report dice esto:
---- Minecraft Crash Report ----
// I bet Cylons wouldn't have this problem.
Time: 24/10/16 20:06
Description: Rendering item
com.google.common.util.concurrent.UncheckedExecutionException: java.lang.NullPointerException
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2201)
at com.google.common.cache.LocalCache.get(LocalCache.java:3934)
at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3938)
at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4821)
at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4827)
at bxk.a(SourceFile:126)
at bqn.a(SourceFile:81)
at bnx.a(SourceFile:67)
at bsu.a(SourceFile:152)
at bsu.a(SourceFile:328)
at bsu.a(SourceFile:363)
at bgl.a(SourceFile:248)
at bgl.a(SourceFile:106)
at bnz.a(SourceFile:1062)
at bcx.av(SourceFile:991)
at bcx.a(SourceFile:396)
at net.minecraft.client.main.Main.main(SourceFile:124)
Caused by: java.lang.NullPointerException
at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.getTextures(YggdrasilMinecraftSessionService.java:144)
at bxk$1.a(SourceFile:47)
at bxk$1.load(SourceFile:44)
at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3524)
at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2317)
at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2280)
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2195)
... 16 more
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Client thread
Stacktrace:
at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2201)
at com.google.common.cache.LocalCache.get(LocalCache.java:3934)
at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3938)
at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4821)
at com.google.common.cache.LocalCache$LocalLoadingCache.getUnchecked(LocalCache.java:4827)
at bxk.a(SourceFile:126)
at bqn.a(SourceFile:81)
at bnx.a(SourceFile:67)
at bsu.a(SourceFile:152)
at bsu.a(SourceFile:328)
-- Item being rendered --
Details:
Item Type: aez@7d2816
Item Aux: 3
Item NBT: {SkullOwner:{Id:"6cb17762-d8b1-31f0-9910-2f044754e6d2",Properties:{textures:[0:{Signature:"",Value:""}]},Name:"AlanFonseca"},display:{Lore:[0:""],Name:"§bAlanFonseca"}}
Item Foil: false
Stacktrace:
at bsu.a(SourceFile:363)
at bgl.a(SourceFile:248)
at bgl.a(SourceFile:106)
-- Screen render details --
Details:
Screen name: bgr
Mouse location: Scaled: (267, 139). Absolute: (800, 419)
Screen size: Scaled: (534, 280). Absolute: (1600, 838). Scale factor of 3
-- Affected level --
Details:
Level name: MpServer
All players: 1 total; [bnn['Tenios888'/4309, l='MpServer', x=-64,50, y=23,08, z=3,50]]
Chunk stats: MultiplayerChunkCache: 441, 441
Level seed: 0
Level generator: ID 00 - default, ver 1. Features enabled: false
Level generator options:
Level spawn location: World: (2000,0,2000), Chunk: (at 0,0,0 in 125,125; contains blocks 2000,0,2000 to 2015,255,2015), Region: (3,3; contains chunks 96,96 to 127,127, blocks 1536,0,1536 to 2047,255,2047)
Level time: 16942 game time, 29425 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: 1 total; [bnn['Tenios888'/4309, l='MpServer', x=-64,50, y=23,08, z=3,50]]
Retry entities: 0 total; []
Server brand: Waterfall (git:Waterfall-Bootstrap:1.10-SNAPSHOT:3cb0be2:60) <- Paper
Server type: Non-integrated multiplayer server
Stacktrace:
at bln.a(SourceFile:364)
at bcx.b(SourceFile:2535)
at bcx.a(SourceFile:405)
at net.minecraft.client.main.Main.main(SourceFile:124)
-- System Details --
Details:
Minecraft Version: 1.10.2
Operating System: Windows 7 (x86) version 6.1
Java Version: 1.8.0_40, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 94966648 bytes (90 MB) / 188035072 bytes (179 MB) up to 518979584 bytes (494 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
Launched Version: 1.10.2
LWJGL: 2.9.4
OpenGL: GeForce 210/PCIe/SSE2 GL version 3.3.0, NVIDIA Corporation
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: Very likely; Jar signature invalidated
Type: Client (map_client.txt)
Resource Packs:
Current Language: Español (España)
Profiler Position: N/A (disabled)
CPU: 2x Intel(R) Core(TM)2 Duo CPU E7400 @ 2.80GHz