---- Minecraft Crash Report ---- // Don't do that. Time: 7/22/20 7:39 PM Description: Initializing game java.lang.ExceptionInInitializerError at org.lwjgl.glfw.GLFW.glfwCreateWindow(GLFW.java:1842) at dgy.<init>(SourceFile:90) at ecn.a(SourceFile:21) at dlx.<init>(SourceFile:449) at net.minecraft.client.main.Main.main(SourceFile:177) Caused by: java.lang.IllegalStateException: GLFW windows may only be created on the main thread and that thread must be the first thread in the process. Please run the JVM with -XstartOnFirstThread. For offscreen rendering, make sure another window toolkit (e.g. AWT or JavaFX) is initialized before GLFW. at org.lwjgl.glfw.EventLoop$OffScreen.<clinit>(EventLoop.java:39) ... 5 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- – Head – Thread: Render thread Stacktrace: at org.lwjgl.glfw.GLFW.glfwCreateWindow(GLFW.java:1842) at dgy.<init>(SourceFile:90) at ecn.a(SourceFile:21) at dlx.<init>(SourceFile:449) – Initialization – Details: Stacktrace: at net.minecraft.client.main.Main.main(SourceFile:177) – System Details – Details: Minecraft Version: 1.16.1 Minecraft Version ID: 1.16.1 Operating System: Mac OS X (x86_64) version 10.15.5 Java Version: 1.8.0_251, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 1460493456 bytes (1392 MB) / 1811939328 bytes (1728 MB) up to 2147483648 bytes (2048 MB) CPUs: 4 JVM Flags: 7 total; -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Launched Version: 1.16.1 Backend library: LWJGL version 3.2.1 build 12 Backend API: NO CONTEXT GL Caps: Using VBOs: Yes Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) CPU: <unknown>