Opening Realms Crash the Client

Minecraft Crash Report ----

// I let you down. Sorry 😞

Time: 13/01/19 22.01
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 cta.a(SourceFile:103)
at deu.a(SourceFile:793)
at cpz.d(SourceFile:929)
at cpz.b(SourceFile:405)
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 cta.a(SourceFile:103)

– Screen render details –
Details:
Screen name: cta
Mouse location: Scaled: (516, 237). Absolute: (1033.000000, 475.000000)
Screen size: Scaled: (926, 529). Absolute: (1852, 1057). Scale factor of 2.000000
Stacktrace:
at deu.a(SourceFile:793)
at cpz.d(SourceFile:929)
at cpz.b(SourceFile:405)
at net.minecraft.client.main.Main.main(SourceFile:154)

– System Details –
Details:
Minecraft Version: 19w02a
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_51, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 754321984 bytes (719 MB) / 1073741824 bytes (1024 MB) up to 2147483648 bytes (2048 MB)
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Launched Version: 19w02a
LWJGL: 3.1.6 build 14
OpenGL: GeForce GTX 1050 Ti/PCIe/SSE2 GL version 4.6.0 NVIDIA 417.35, 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:
Current Language: English (US)
CPU: 16x AMD Ryzen 7 1700 Eight-Core Processor