---- Minecraft Crash Report ----
// Shall we play a game?

Time: 31.10.18 17:03
Description: Rendering screen

java.lang.NoClassDefFoundError: net/minecraft/client/renderer/system/GlStateManager
	at com.mojang.realmsclient.RealmsMainScreen.drawRealmsLogo(RealmsMainScreen.java:880)
	at com.mojang.realmsclient.RealmsMainScreen.render(RealmsMainScreen.java:816)
	at cop.a(SourceFile:102)
	at czs.a(SourceFile:793)
	at clp.d(SourceFile:850)
	at clp.b(SourceFile:389)
	at net.minecraft.client.main.Main.main(SourceFile:145)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.system.GlStateManager
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	... 7 more


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

-- Head --
Thread: Client thread
Stacktrace:
	at com.mojang.realmsclient.RealmsMainScreen.drawRealmsLogo(RealmsMainScreen.java:880)
	at com.mojang.realmsclient.RealmsMainScreen.render(RealmsMainScreen.java:816)
	at cop.a(SourceFile:102)

-- Screen render details --
Details:
	Screen name: cop
	Mouse location: Scaled: (195, 158). Absolute: (391.000000, 317.000000)
	Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2.000000
Stacktrace:
	at czs.a(SourceFile:793)
	at clp.d(SourceFile:850)
	at clp.b(SourceFile:389)
	at net.minecraft.client.main.Main.main(SourceFile:145)

-- System Details --
Details:
	Minecraft Version: 18w44a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_181, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 306878520 bytes (292 MB) / 1161822208 bytes (1108 MB) up to 5726797824 bytes (5461 MB)
	JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx6G
	Launched Version: 18w44a
	LWJGL: 3.1.6 build 14
	OpenGL: Radeon (TM) RX 480 Graphics GL version 4.5.13541 Compatibility Profile Context 25.20.14007.1000, ATI Technologies Inc.
	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: 
	Current Language: English (US)
	CPU: 8x Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz