---- Minecraft Crash Report ----
// Oops.

Time: 12/22/18 9:53 AM
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 csl.a(SourceFile:102)
	at dea.a(SourceFile:794)
	at cpk.d(SourceFile:910)
	at cpk.b(SourceFile:394)
	at net.minecraft.client.main.Main.main(SourceFile:154)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.renderer.system.GlStateManager
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 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 csl.a(SourceFile:102)

-- Screen render details --
Details:
	Screen name: csl
	Mouse location: Scaled: (222, 167). Absolute: (444.628906, 334.820313)
	Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2.000000
Stacktrace:
	at dea.a(SourceFile:794)
	at cpk.d(SourceFile:910)
	at cpk.b(SourceFile:394)
	at net.minecraft.client.main.Main.main(SourceFile:154)

-- System Details --
Details:
	Minecraft Version: 18w50a
	Operating System: Mac OS X (x86_64) version 10.11.6
	Java Version: 1.8.0_74, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1811186232 bytes (1727 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
	JVM Flags: 8 total; -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Launched Version: 18w50a
	LWJGL: 3.1.6 build 14
	OpenGL: ATI Radeon HD 2600 PRO OpenGL Engine GL version 2.1 ATI-10.0.52, ATI Technologies Inc.
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object 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: vanilla, file/Texture Update V3.3
	Current Language: English (US)
	CPU: 2x Intel(R) Core(TM)2 Duo CPU E8335 @ 2.66GHz