---- Minecraft Crash Report ----
// Why did you do that?

Time: 28.11.15 19:05
Description: Ticking screen

java.lang.NullPointerException: Ticking screen
	at com.mojang.util.UUIDTypeAdapter.fromUUID(UUIDTypeAdapter.java:22)
	at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:13)
	at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:10)
	at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:89)
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:195)
	at com.google.gson.Gson.toJson(Gson.java:593)
	at com.google.gson.Gson.toJson(Gson.java:572)
	at com.google.gson.Gson.toJson(Gson.java:527)
	at com.google.gson.Gson.toJson(Gson.java:507)
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:54)
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.joinServer(YggdrasilMinecraftSessionService.java:82)
	at biz.a(SourceFile:48)
	at jt.a(SourceFile:41)
	at jt.a(SourceFile:10)
	at ej.a(SourceFile:174)
	at bcx.e(SourceFile:78)
	at bao.p(SourceFile:1343)
	at bao.ak(SourceFile:774)
	at bao.f(SourceFile:728)
	at net.minecraft.client.main.Main.main(SourceFile:148)


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

-- Head --
Stacktrace:
	at com.mojang.util.UUIDTypeAdapter.fromUUID(UUIDTypeAdapter.java:22)
	at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:13)
	at com.mojang.util.UUIDTypeAdapter.write(UUIDTypeAdapter.java:10)
	at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:68)
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:89)
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:195)
	at com.google.gson.Gson.toJson(Gson.java:593)
	at com.google.gson.Gson.toJson(Gson.java:572)
	at com.google.gson.Gson.toJson(Gson.java:527)
	at com.google.gson.Gson.toJson(Gson.java:507)
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:54)
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.joinServer(YggdrasilMinecraftSessionService.java:82)
	at biz.a(SourceFile:48)
	at jt.a(SourceFile:41)
	at jt.a(SourceFile:10)
	at ej.a(SourceFile:174)
	at bcx.e(SourceFile:78)

-- Affected screen --
Details:
	Screen name: bcx
Stacktrace:
	at bao.p(SourceFile:1343)
	at bao.ak(SourceFile:774)
	at bao.f(SourceFile:728)
	at net.minecraft.client.main.Main.main(SourceFile:148)

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Windows 10 (x86) version 10.0
	Java Version: 1.8.0_66, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 39250048 bytes (37 MB) / 78589952 bytes (74 MB) up to 518979584 bytes (494 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx512M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 1.7.10
	LWJGL: 2.9.1
	OpenGL: AMD Mobility Radeon HD 5000 GL version 4.5.13399 Compatibility Profile Context 15.201.1151.0, ATI Technologies Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

	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)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Anisotropic Filtering: Off (1)