MC crashes

---- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 9/4/17 4:14 PM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
	at amu.a(SourceFile:1173)
	at buq.h(SourceFile:1614)
	at buq.a(SourceFile:1203)
	at buq.b(SourceFile:1188)
	at buq.a(SourceFile:1033)
	at bib.az(SourceFile:1023)
	at bib.a(SourceFile:419)
	at net.minecraft.client.main.Main.main(SourceFile:123)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:236)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:297)
	at org.multimc.EntryPoint.listen(EntryPoint.java:162)
	at org.multimc.EntryPoint.main(EntryPoint.java:53)


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

-- Head --
Thread: Client thread
Stacktrace:
	at amu.a(SourceFile:1173)
	at buq.h(SourceFile:1614)
	at buq.a(SourceFile:1203)
	at buq.b(SourceFile:1188)

-- Affected level --
Details:
	Level name: MpServer
	All players: 0 total; []
	Chunk stats: MultiplayerChunkCache: 6, 6
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options:
	Level spawn location: World: (8,64,8), Chunk: (at 8,4,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 0 game time, 0 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: 0 total; []
	Retry entities: 0 total; []
	Server brand: ~~ERROR~~ NullPointerException: null
	Server type: Non-integrated multiplayer server
Stacktrace:
	at bsb.a(SourceFile:365)
	at bib.b(SourceFile:2587)
	at bib.a(SourceFile:433)
	at net.minecraft.client.main.Main.main(SourceFile:123)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Unknown Source)
	at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:236)
	at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:297)
	at org.multimc.EntryPoint.listen(EntryPoint.java:162)
	at org.multimc.EntryPoint.main(EntryPoint.java:53)

-- System Details --
Details:
	Minecraft Version: 1.12.1
	Operating System: Windows 10 (x86) version 10.0
	Java Version: 1.8.0_144, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 367053432 bytes (350 MB) / 519110656 bytes (495 MB) up to 1037959168 bytes (989 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms512m -Xmx1024m
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: MultiMC5
	LWJGL: 2.9.1
	OpenGL: GeForce GTX 1050/PCIe/SSE2 GL version 4.5.0 NVIDIA 385.41, 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: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: 112fixed~
	Current Language: Modified (English)
	Profiler Position: N/A (disabled)
	CPU: 4x Intel(R) Core(TM) i5-6400 CPU @ 2.70GHz