---- Minecraft Crash Report ---- // Uh... Did I do that? Time: 11/17/18 11:17 PM 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 cpy.a(SourceFile:102) at dbc.a(SourceFile:794) at cmx.d(SourceFile:850) at cmx.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(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 cpy.a(SourceFile:102) -- Screen render details -- Details: Screen name: cpy Mouse location: Scaled: (268, 170). Absolute: (1074.000000, 680.000000) Screen size: Scaled: (480, 270). Absolute: (1920, 1080). Scale factor of 4.000000 Stacktrace: at dbc.a(SourceFile:794) at cmx.d(SourceFile:850) at cmx.b(SourceFile:389) at net.minecraft.client.main.Main.main(SourceFile:145) -- System Details -- Details: Minecraft Version: 18w46a 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: 765480840 bytes (730 MB) / 1275068416 bytes (1216 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: 18w46a LWJGL: 3.1.6 build 14 OpenGL: Intel(R) HD Graphics 4400 GL version 4.3.0 - Build 20.19.15.4835, Intel 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: 4x Intel(R) Core(TM) i3-4160 CPU @ 3.60GHz