---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 5/15/21 6:20 PM
Description: mouseClicked event handler

java.lang.IllegalStateException: failed to create a child event loop
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.null <init>(null)(MultithreadEventExecutorGroup.java:88)
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.null <init>(null)(MultithreadEventExecutorGroup.java:58)
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.null <init>(null)(MultithreadEventExecutorGroup.java:47)
	at io.netty.channel.MultithreadEventLoopGroup.null <init>(null)(MultithreadEventLoopGroup.java:59)
	at io.netty.channel.nio.NioEventLoopGroup.null <init>(null)(NioEventLoopGroup.java:77)
	at io.netty.channel.nio.NioEventLoopGroup.null <init>(null)(NioEventLoopGroup.java:72)
	at io.netty.channel.nio.NioEventLoopGroup.null <init>(null)(NioEventLoopGroup.java:59)
	at net.minecraft.server.network.ServerConnectionListener.io.netty.channel.nio.NioEventLoopGroup lambda$static$0()(ServerConnectionListener.java:56)
	at aax$$Lambda$4065/1509934246.get(Unknown Source)
	at net.minecraft.util.LazyLoadedValue.java.lang.Object get()(LazyLoadedValue.java:16)
	at net.minecraft.server.network.ServerConnectionListener.java.net.SocketAddress startMemoryChannel()(ServerConnectionListener.java:138)
	at net.minecraft.client.Minecraft.void doLoadLevel(java.lang.String,net.minecraft.core.RegistryAccess$RegistryHolder,java.util.function.Function,com.mojang.datafixers.util.Function4,boolean,net.minecraft.client.Minecraft$ExperimentalDialogType)(Minecraft.java:1891)
	at net.minecraft.client.Minecraft.void loadLevel(java.lang.String)(Minecraft.java:1748)
	at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.void loadWorld()(WorldSelectionList.java:407)
	at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.void joinWorld()(WorldSelectionList.java:317)
	at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.boolean mouseClicked(double,double,int)(WorldSelectionList.java:254)
	at net.minecraft.client.gui.components.AbstractSelectionList.boolean mouseClicked(double,double,int)(AbstractSelectionList.java:345)
	at net.minecraft.client.gui.components.events.ContainerEventHandler.boolean mouseClicked(double,double,int)(ContainerEventHandler.java:27)
	at net.minecraft.client.gui.components.events.ContainerEventHandler.void setFocused(net.minecraft.client.gui.components.events.GuiEventListener)(ContainerEventHandler.java:27)
	at net.minecraft.client.MouseHandler.void lambda$onPress$0(boolean[],double,double,int)(MouseHandler.java:92)
	at dka$$Lambda$3019/1296428172.run(Unknown Source)
	at net.minecraft.client.gui.screens.Screen.void wrapScreenError(java.lang.Runnable,java.lang.String,java.lang.String)(Screen.java:435)
	at net.minecraft.client.MouseHandler.void onPress(long,int,int,int)(MouseHandler.java:92)
	at net.minecraft.client.MouseHandler.void lambda$null$4(long,int,int,int)(MouseHandler.java:162)
	at dka$$Lambda$3018/314916247.run(Unknown Source)
	at net.minecraft.util.thread.BlockableEventLoop.void execute(java.lang.Runnable)(BlockableEventLoop.java:94)
	at net.minecraft.client.MouseHandler.void lambda$setup$5(long,int,int,int)(MouseHandler.java:162)
	at dka$$Lambda$2371/106108132.invoke(Unknown Source)
	at org.lwjgl.glfw.GLFWMouseButtonCallbackI.null callback(null)(GLFWMouseButtonCallbackI.java:36)
	at org.lwjgl.system.JNI.null invokeV(null)(JNI.java)
	at org.lwjgl.glfw.GLFW.null glfwWaitEventsTimeout(null)(GLFW.java:3174)
	at com.mojang.blaze3d.systems.RenderSystem.void limitDisplayFPS(int)(RenderSystem.java:127)
	at net.minecraft.client.Minecraft.void runTick(boolean)(Minecraft.java:1071)
	at net.minecraft.client.Minecraft.void run()(Minecraft.java:681)
	at net.minecraft.client.main.Main.void main(java.lang.String[])(Main.java:215)
Caused by: io.netty.channel.ChannelException: failed to open a new selector
	at io.netty.channel.nio.NioEventLoop.null openSelector(null)(NioEventLoop.java:177)
	at io.netty.channel.nio.NioEventLoop.null <init>(null)(NioEventLoop.java:151)
	at io.netty.channel.nio.NioEventLoopGroup.null newChild(null)(NioEventLoopGroup.java:127)
	at io.netty.channel.nio.NioEventLoopGroup.null newChild(null)(NioEventLoopGroup.java:36)
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.null <init>(null)(MultithreadEventExecutorGroup.java:84)
	... 33 more
Caused by: java.io.IOException: Unable to establish loopback connection
	at sun.nio.ch.PipeImpl$Initializer.null run(null)(PipeImpl.java:101)
	at sun.nio.ch.PipeImpl$Initializer.null run(null)(PipeImpl.java:68)
	at java.security.AccessController.null doPrivileged(null)(AccessController.java)
	at sun.nio.ch.PipeImpl.null <init>(null)(PipeImpl.java:170)
	at sun.nio.ch.SelectorProviderImpl.null openPipe(null)(SelectorProviderImpl.java:50)
	at java.nio.channels.Pipe.null open(null)(Pipe.java:155)
	at sun.nio.ch.WindowsSelectorImpl.null <init>(null)(WindowsSelectorImpl.java:127)
	at sun.nio.ch.WindowsSelectorProvider.null openSelector(null)(WindowsSelectorProvider.java:44)
	at io.netty.channel.nio.NioEventLoop.null openSelector(null)(NioEventLoop.java:175)
	... 37 more
Caused by: java.net.BindException: Cannot assign requested address: connect
	at sun.nio.ch.Net.null connect0(null)(Net.java)
	at sun.nio.ch.Net.null connect(null)(Net.java:458)
	at sun.nio.ch.Net.null connect(null)(Net.java:450)
	at sun.nio.ch.SocketChannelImpl.null connect(null)(SocketChannelImpl.java:648)
	at java.nio.channels.SocketChannel.null open(null)(SocketChannel.java:189)
	at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.null run(null)(PipeImpl.java:130)
	at sun.nio.ch.PipeImpl$Initializer.null run(null)(PipeImpl.java:83)
	... 45 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.null <init>(null)(MultithreadEventExecutorGroup.java:88)
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.null <init>(null)(MultithreadEventExecutorGroup.java:58)
	at io.netty.util.concurrent.MultithreadEventExecutorGroup.null <init>(null)(MultithreadEventExecutorGroup.java:47)
	at io.netty.channel.MultithreadEventLoopGroup.null <init>(null)(MultithreadEventLoopGroup.java:59)
	at io.netty.channel.nio.NioEventLoopGroup.null <init>(null)(NioEventLoopGroup.java:77)
	at io.netty.channel.nio.NioEventLoopGroup.null <init>(null)(NioEventLoopGroup.java:72)
	at io.netty.channel.nio.NioEventLoopGroup.null <init>(null)(NioEventLoopGroup.java:59)
	at net.minecraft.server.network.ServerConnectionListener.io.netty.channel.nio.NioEventLoopGroup lambda$static$0()(ServerConnectionListener.java:56)
	at aax$$Lambda$4065/1509934246.get(Unknown Source)
	at net.minecraft.util.LazyLoadedValue.java.lang.Object get()(LazyLoadedValue.java:16)
	at net.minecraft.server.network.ServerConnectionListener.java.net.SocketAddress startMemoryChannel()(ServerConnectionListener.java:138)
	at net.minecraft.client.Minecraft.void doLoadLevel(java.lang.String,net.minecraft.core.RegistryAccess$RegistryHolder,java.util.function.Function,com.mojang.datafixers.util.Function4,boolean,net.minecraft.client.Minecraft$ExperimentalDialogType)(Minecraft.java:1891)
	at net.minecraft.client.Minecraft.void loadLevel(java.lang.String)(Minecraft.java:1748)
	at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.void loadWorld()(WorldSelectionList.java:407)
	at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.void joinWorld()(WorldSelectionList.java:317)
	at net.minecraft.client.gui.screens.worldselection.WorldSelectionList$WorldListEntry.boolean mouseClicked(double,double,int)(WorldSelectionList.java:254)
	at net.minecraft.client.gui.components.AbstractSelectionList.boolean mouseClicked(double,double,int)(AbstractSelectionList.java:345)
	at net.minecraft.client.gui.components.events.ContainerEventHandler.boolean mouseClicked(double,double,int)(ContainerEventHandler.java:27)
	at net.minecraft.client.gui.components.events.ContainerEventHandler.void setFocused(net.minecraft.client.gui.components.events.GuiEventListener)(ContainerEventHandler.java:27)
	at net.minecraft.client.MouseHandler.void lambda$onPress$0(boolean[],double,double,int)(MouseHandler.java:92)
	at dka$$Lambda$3019/1296428172.run(Unknown Source)

-- Affected screen --
Details:
	Screen name: net.minecraft.client.gui.screens.worldselection.SelectWorldScreen
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$$Lambda$3018/314916247.run(Unknown Source)
	at net.minecraft.util.thread.BlockableEventLoop.void execute(java.lang.Runnable)(BlockableEventLoop.java:94)
	at net.minecraft.client.MouseHandler.void lambda$setup$5(long,int,int,int)(MouseHandler.java:162)
	at dka$$Lambda$2371/106108132.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: 1348390160 bytes (1285 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 8
	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: 1.16.5
	Backend library: LWJGL version 3.2.2 build 10
	Backend API: NVIDIA GeForce RTX 2060 SUPER/PCIe/SSE2 GL version 4.6.0 NVIDIA 466.11, 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) i7-9700 CPU @ 3.00GHz