---- Minecraft Crash Report ---- // You're mean. Time: 13.05.21 14:17 Description: mouseClicked event handler java.lang.IllegalStateException: Missing: ResourceKey[minecraft:worldgen/biome / minecraft:] at net.minecraft.core.Registry.com.mojang.serialization.Lifecycle lifecycle(java.lang.Object)(Registry.java:378) at net.minecraft.core.Registry.java.lang.Object getOrThrow(net.minecraft.resources.ResourceKey)(Registry.java:378) at net.minecraft.core.Registry.java.util.Set entrySet()(Registry.java:378) at net.minecraft.client.gui.screens.PresetFlatWorldScreen.net.minecraft.world.level.biome.Biome lambda$fromString$1(net.minecraft.core.Registry,net.minecraft.resources.ResourceKey)(PresetFlatWorldScreen.java:276) at doq$$Lambda$3453/1477938270.get(Unknown Source) at net.minecraft.world.level.levelgen.flat.FlatLevelGeneratorSettings.net.minecraft.world.level.biome.Biome getBiome()(FlatLevelGeneratorSettings.java:188) at net.minecraft.world.level.levelgen.flat.FlatLevelGeneratorSettings.net.minecraft.world.level.biome.Biome getBiomeFromSettings()(FlatLevelGeneratorSettings.java:131) at net.minecraft.world.level.levelgen.FlatLevelSource.void (net.minecraft.world.level.levelgen.flat.FlatLevelGeneratorSettings)(FlatLevelSource.java:26) at net.minecraft.client.gui.screens.worldselection.WorldPreset.net.minecraft.world.level.chunk.ChunkGenerator generator(net.minecraft.core.Registry,net.minecraft.core.Registry,long)(WorldPreset.java:105) at net.minecraft.client.gui.screens.worldselection.WorldPreset.void lambda$null$0(net.minecraft.client.gui.screens.worldselection.CreateWorldScreen,net.minecraft.world.level.levelgen.WorldGenSettings,net.minecraft.world.level.levelgen.flat.FlatLevelGeneratorSettings)(WorldPreset.java:105) at dsl$$Lambda$3410/1088430396.accept(Unknown Source) at net.minecraft.client.gui.screens.CreateFlatWorldScreen.void init()(CreateFlatWorldScreen.java:88) at net.minecraft.client.gui.screens.CreateFlatWorldScreen.void lambda$init$2(net.minecraft.client.gui.components.Button)(CreateFlatWorldScreen.java:88) at dnv$$Lambda$3413/1940281106.onPress(Unknown Source) at net.minecraft.client.gui.components.Button.void onPress()(Button.java:33) at net.minecraft.client.gui.components.AbstractButton.void onClick(double,double)(AbstractButton.java:16) at net.minecraft.client.gui.components.AbstractWidget.boolean mouseClicked(double,double,int)(AbstractWidget.java:149) at net.minecraft.client.gui.components.events.ContainerEventHandler.boolean mouseClicked(double,double,int)(ContainerEventHandler.java:27) at net.minecraft.client.gui.components.events.ContainerEventHandler.void setFocused(net.minecraft.client.gui.components.events.GuiEventListener)(ContainerEventHandler.java:27) at net.minecraft.client.MouseHandler.void lambda$onPress$0(boolean[],double,double,int)(MouseHandler.java:92) at dka$$Lambda$3011/1247757147.run(Unknown Source) at net.minecraft.client.gui.screens.Screen.void wrapScreenError(java.lang.Runnable,java.lang.String,java.lang.String)(Screen.java:435) at net.minecraft.client.MouseHandler.void onPress(long,int,int,int)(MouseHandler.java:92) at net.minecraft.client.MouseHandler.void lambda$null$4(long,int,int,int)(MouseHandler.java:162) at dka$$Lambda$3006/1769771544.run(Unknown Source) at net.minecraft.util.thread.BlockableEventLoop.void execute(java.lang.Runnable)(BlockableEventLoop.java:94) at net.minecraft.client.MouseHandler.void lambda$setup$5(long,int,int,int)(MouseHandler.java:162) at dka$$Lambda$2359/2016623962.invoke(Unknown Source) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.null callback(null)(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.null invokeV(null)(JNI.java) at org.lwjgl.glfw.GLFW.null glfwWaitEventsTimeout(null)(GLFW.java:3174) at com.mojang.blaze3d.systems.RenderSystem.void limitDisplayFPS(int)(RenderSystem.java:127) at net.minecraft.client.Minecraft.void runTick(boolean)(Minecraft.java:1071) at net.minecraft.client.Minecraft.void run()(Minecraft.java:681) at net.minecraft.client.main.Main.void main(java.lang.String[])(Main.java:215) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace: at net.minecraft.core.Registry.com.mojang.serialization.Lifecycle lifecycle(java.lang.Object)(Registry.java:378) at net.minecraft.core.Registry.java.lang.Object getOrThrow(net.minecraft.resources.ResourceKey)(Registry.java:378) at net.minecraft.core.Registry.java.util.Set entrySet()(Registry.java:378) at net.minecraft.client.gui.screens.PresetFlatWorldScreen.net.minecraft.world.level.biome.Biome lambda$fromString$1(net.minecraft.core.Registry,net.minecraft.resources.ResourceKey)(PresetFlatWorldScreen.java:276) at doq$$Lambda$3453/1477938270.get(Unknown Source) at net.minecraft.world.level.levelgen.flat.FlatLevelGeneratorSettings.net.minecraft.world.level.biome.Biome getBiome()(FlatLevelGeneratorSettings.java:188) at net.minecraft.world.level.levelgen.flat.FlatLevelGeneratorSettings.net.minecraft.world.level.biome.Biome getBiomeFromSettings()(FlatLevelGeneratorSettings.java:131) at net.minecraft.world.level.levelgen.FlatLevelSource.void (net.minecraft.world.level.levelgen.flat.FlatLevelGeneratorSettings)(FlatLevelSource.java:26) at net.minecraft.client.gui.screens.worldselection.WorldPreset.net.minecraft.world.level.chunk.ChunkGenerator generator(net.minecraft.core.Registry,net.minecraft.core.Registry,long)(WorldPreset.java:105) at net.minecraft.client.gui.screens.worldselection.WorldPreset.void lambda$null$0(net.minecraft.client.gui.screens.worldselection.CreateWorldScreen,net.minecraft.world.level.levelgen.WorldGenSettings,net.minecraft.world.level.levelgen.flat.FlatLevelGeneratorSettings)(WorldPreset.java:105) at dsl$$Lambda$3410/1088430396.accept(Unknown Source) at net.minecraft.client.gui.screens.CreateFlatWorldScreen.void init()(CreateFlatWorldScreen.java:88) at net.minecraft.client.gui.screens.CreateFlatWorldScreen.void lambda$init$2(net.minecraft.client.gui.components.Button)(CreateFlatWorldScreen.java:88) at dnv$$Lambda$3413/1940281106.onPress(Unknown Source) at net.minecraft.client.gui.components.Button.void onPress()(Button.java:33) at net.minecraft.client.gui.components.AbstractButton.void onClick(double,double)(AbstractButton.java:16) at net.minecraft.client.gui.components.AbstractWidget.boolean mouseClicked(double,double,int)(AbstractWidget.java:149) at net.minecraft.client.gui.components.events.ContainerEventHandler.boolean mouseClicked(double,double,int)(ContainerEventHandler.java:27) at net.minecraft.client.gui.components.events.ContainerEventHandler.void setFocused(net.minecraft.client.gui.components.events.GuiEventListener)(ContainerEventHandler.java:27) at net.minecraft.client.MouseHandler.void lambda$onPress$0(boolean[],double,double,int)(MouseHandler.java:92) at dka$$Lambda$3011/1247757147.run(Unknown Source) -- Affected screen -- Details: Screen name: net.minecraft.client.gui.screens.CreateFlatWorldScreen Stacktrace: at net.minecraft.client.gui.screens.Screen.void wrapScreenError(java.lang.Runnable,java.lang.String,java.lang.String)(Screen.java:435) at net.minecraft.client.MouseHandler.void onPress(long,int,int,int)(MouseHandler.java:92) at net.minecraft.client.MouseHandler.void lambda$null$4(long,int,int,int)(MouseHandler.java:162) at dka$$Lambda$3006/1769771544.run(Unknown Source) at net.minecraft.util.thread.BlockableEventLoop.void execute(java.lang.Runnable)(BlockableEventLoop.java:94) at net.minecraft.client.MouseHandler.void lambda$setup$5(long,int,int,int)(MouseHandler.java:162) at dka$$Lambda$2359/2016623962.invoke(Unknown Source) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.null callback(null)(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.null invokeV(null)(JNI.java) at org.lwjgl.glfw.GLFW.null glfwWaitEventsTimeout(null)(GLFW.java:3174) at com.mojang.blaze3d.systems.RenderSystem.void limitDisplayFPS(int)(RenderSystem.java:127) at net.minecraft.client.Minecraft.void runTick(boolean)(Minecraft.java:1071) at net.minecraft.client.Minecraft.void run()(Minecraft.java:681) at net.minecraft.client.main.Main.void main(java.lang.String[])(Main.java:215) -- System Details -- Details: Minecraft Version: 1.16.5 Minecraft Version ID: 1.16.5 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: 4001612056 bytes (3816 MB) / 4281597952 bytes (4083 MB) up to 4281597952 bytes (4083 MB) CPUs: 8 JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4G -Xms4G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M Launched Version: 1.16.5 Backend library: LWJGL version 3.2.2 build 10 Backend API: GeForce GTX 1050/PCIe/SSE2 GL version 4.6.0 NVIDIA 461.09, NVIDIA Corporation 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) Graphics mode: fancy Resource Packs: Current Language: English (US) CPU: 8x Intel(R) Core(TM) i5-9300H CPU @ 2.40GHz