Can someone help me?

I cant go in any servers or world's i just get this issue:

---- Minecraft Crash Report ---- // Surprise! Haha. Well, this is awkward. Time: 3/20/21 11:06 PM Description: mouseClicked event handler java.lang.IllegalStateException: failed to create a child event loop at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:88) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47) at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59) at aax.f(SourceFile:56) at aax$$Lambda$4142/300992832.get(Unknown Source) at afi.a(SourceFile:16) at aax.a(SourceFile:138) at djz.a(SourceFile:1891) at djz.a(SourceFile:1748) at dsm$a.e(SourceFile:407) at dsm$a.a(SourceFile:317) at dsm$a.a(SourceFile:259) at dlf.a(SourceFile:345) at dmh.a(SourceFile:27) at dka.b(SourceFile:92) at dka$$Lambda$3003/1485647504.run(Unknown Source) at dot.a(SourceFile:435) at dka.a(SourceFile:92) at dka.c(SourceFile:162) at dka$$Lambda$3002/1447261655.run(Unknown Source) at aob.execute(SourceFile:94) at dka.b(SourceFile:162) at dka$$Lambda$2352/14366507.invoke(Unknown Source) at org.lwjgl.glfw.GLFWMouseButtonCallbackI.callback(GLFWMouseButtonCallbackI.java:36) at org.lwjgl.system.JNI.invokeV(Native Method) at org.lwjgl.glfw.GLFW.glfwWaitEventsTimeout(GLFW.java:3174) at com.mojang.blaze3d.systems.RenderSystem.limitDisplayFPS(SourceFile:127) at djz.e(SourceFile:1071) at djz.e(SourceFile:681) at net.minecraft.client.main.Main.main(SourceFile:215) Caused by: io.netty.channel.ChannelException: failed to open a new selector at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:177) at io.netty.channel.nio.NioEventLoop.<init>(NioEventLoop.java:151) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:127) at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:36) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:84) ... 33 more Caused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:101) at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:68) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.<init>(PipeImpl.java:170) at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50) at java.nio.channels.Pipe.open(Pipe.java:155) at sun.nio.ch.WindowsSelectorImpl.<init>(WindowsSelectorImpl.java:127) at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175) ... 37 more Caused by: java.net.SocketException: No buffer space available (maximum connections reached?): connect at sun.nio.ch.Net.connect0(Native Method) at sun.nio.ch.Net.connect(Net.java:458) at sun.nio.ch.Net.connect(Net.java:450) at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648) at java.nio.channels.SocketChannel.open(SocketChannel.java:189) at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:130) at sun.nio.ch.PipeImpl$Initializer.run(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.<init>(MultithreadEventExecutorGroup.java:88) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:58) at io.netty.util.concurrent.MultithreadEventExecutorGroup.<init>(MultithreadEventExecutorGroup.java:47) at io.netty.channel.MultithreadEventLoopGroup.<init>(MultithreadEventLoopGroup.java:59) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:77) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:72) at io.netty.channel.nio.NioEventLoopGroup.<init>(NioEventLoopGroup.java:59) at aax.f(SourceFile:56) at aax$$Lambda$4142/300992832.get(Unknown Source) at afi.a(SourceFile:16) at aax.a(SourceFile:138) at djz.a(SourceFile:1891) at djz.a(SourceFile:1748) at dsm$a.e(SourceFile:407) at dsm$a.a(SourceFile:317) at dsm$a.a(SourceFile:259) at dlf.a(SourceFile:345) at dmh.a(SourceFile:27) at dka.b(SourceFile:92) at dka$$Lambda$3003/1485647504.run(Unknown Source) – Affected screen – Details: Screen name: dsj Stacktrace: at dot.a(SourceFile:435) at dka.a(SourceFile:92) at dka.c(SourceFile:162) at dka$$Lambda$3002/1447261655.run(Unknown Source) at aob.execute(SourceFile:94) at dka.b(SourceFile:162) at dka$$Lambda$2352/14366507.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:127) at djz.e(SourceFile:1071) at djz.e(SourceFile:681) at net.minecraft.client.main.Main.main(SourceFile: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: 561062128 bytes (535 MB) / 1912602624 bytes (1824 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: GeForce GTX 1060 6GB/PCIe/SSE2 GL version 4.6.0 NVIDIA 456.71, 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: vanilla Current Language: English (US) CPU: 8x Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz