---- Minecraft Crash Report ----
// You're mean.

Time: 1/20/17 2:51 PM
Description: Initializing game

java.lang.IllegalAccessError: tried to access field com.mojang.authlib.BaseUserAuthentication.username from class net.minecraft.client.Minecraft
	at net.minecraft.client.Minecraft.func_175609_ap(Minecraft.java:596)
	at net.minecraft.client.Minecraft.startGame(Minecraft.java:579)
	at net.minecraft.client.Minecraft.run(Minecraft.java:411)
	at net.minecraft.client.main.Main.main(Main.java:114)


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

-- Head --
Stacktrace:
	at net.minecraft.client.Minecraft.func_175609_ap(Minecraft.java:596)
	at net.minecraft.client.Minecraft.startGame(Minecraft.java:579)

-- Initialization --
Details:
Stacktrace:
	at net.minecraft.client.Minecraft.run(Minecraft.java:411)
	at net.minecraft.client.main.Main.main(Main.java:114)

-- System Details --
Details:
	Minecraft Version: 1.8
	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: 495541200 bytes (472 MB) / 598736896 bytes (571 MB) up to 5726797824 bytes (5461 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx6G -Xverify:none
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: DramaAlertv4
	LWJGL: 2.9.1
	OpenGL: GeForce GTX 760/PCIe/SSE2 GL version 4.5.0 NVIDIA 375.57, 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: No
	Is Modded: Very likely; Jar signature invalidated
	Type: Client (map_client.txt)
	Resource Packs: [Motion Blur - 0.9.zip, ! TastyFPS.zip, Map Overlay.zip]
	Current Language: English (US)
	Profiler Position: N/A (disabled)