i was not in a world, and i was changing my videio settings. the game said loding world then crashed.

---- Minecraft Crash Report -------- Minecraft Crash Report ----// I let you down. Sorry
Time: 6/5/20 6:55 AMDescription: mouseClicked event handler
java.lang.NullPointerException: mouseClicked event handler at dlw.d(SourceFile:239) at dlw$$Lambda$2166/1007760301.accept(Unknown Source) at dlj.a(SourceFile:21) at dlj.a(SourceFile:29) at dlj$$Lambda$3036/1968535596.onPress(Unknown Source) at dne.b(SourceFile:33) at dmy.a(SourceFile:16) at dnc.a(SourceFile:149) at doa.a(SourceFile:27) at dna.a(SourceFile:330) at doa.a(SourceFile:27) at dqs.a(SourceFile:79) at dlu.b(SourceFile:92) at dlu$$Lambda$2897/873721852.run(Unknown Source) at dqn.a(SourceFile:431) at dlu.a(SourceFile:92) at dlu.c(SourceFile:162) at dlu$$Lambda$2896/2034639977.run(Unknown Source) at amk.execute(SourceFile:94) at dlu.b(SourceFile:162) at dlu$$Lambda$2251/691850205.invoke(Unknown Source) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(SourceFile:124) at dlt.e(SourceFile:1038) at dlt.d(SourceFile:648) at net.minecraft.client.main.Main.main(SourceFile:215)

A detailed walkthrough of the error, its code path and all known details is as follows:---------------------------------------------------------------------------------------
– Head --Thread: Render threadStacktrace: at dlw.d(SourceFile:239) at dlw$$Lambda$2166/1007760301.accept(Unknown Source) at dlj.a(SourceFile:21) at dlj.a(SourceFile:29) at dlj$$Lambda$3036/1968535596.onPress(Unknown Source) at dne.b(SourceFile:33) at dmy.a(SourceFile:16) at dnc.a(SourceFile:149) at doa.a(SourceFile:27) at dna.a(SourceFile:330) at doa.a(SourceFile:27) at dqs.a(SourceFile:79) at dlu.b(SourceFile:92) at dlu$$Lambda$2897/873721852.run(Unknown Source)
– Affected screen --Details: Screen name: dqsStacktrace: at dqn.a(SourceFile:431) at dlu.a(SourceFile:92) at dlu.c(SourceFile:162) at dlu$$Lambda$2896/2034639977.run(Unknown Source) at amk.execute(SourceFile:94) at dlu.b(SourceFile:162) at dlu$$Lambda$2251/691850205.invoke(Unknown Source) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(SourceFile:124) at dlt.e(SourceFile:1038) at dlt.d(SourceFile:648) at net.minecraft.client.main.Main.main(SourceFile:215)
– System Details --Details: Minecraft Version: 1.16 Pre-release 2 Minecraft Version ID: 1.16-pre2 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: 2994783488 bytes (2856 MB) / 3724541952 bytes (3552 MB) up to 4294967296 bytes (4096 MB) CPUs: 4 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Launched Version: 1.16-pre2 Backend library: LWJGL version 3.2.2 build 10 Backend API: AMD Radeon R7 Graphics GL version 4.5.13476 Compatibility Profile Context 22.19.180.768, ATI Technologies Inc. GL Caps: Using framebuffer using OpenGL 3.0 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 AMD A12-9720P RADEON R7, 12 COMPUTE CORES 4C+8G