---- Minecraft Crash Report ---- // Don't be sad, have a hug! <3 Time: 7/2/20 12:01 AM Description: Exception in server tick loop 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 zu.f(SourceFile:54) at ady.a(SourceFile:16) at zu.a(SourceFile:110) at yd.d(SourceFile:143) at net.minecraft.server.MinecraftServer.v(SourceFile:647) at net.minecraft.server.MinecraftServer.a(SourceFile:256) at java.lang.Thread.run(Unknown Source) 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) ... 13 more Caused by: java.io.IOException: Unable to establish loopback connection at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source) at sun.nio.ch.PipeImpl$Initializer.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at sun.nio.ch.PipeImpl.<init>(Unknown Source) at sun.nio.ch.SelectorProviderImpl.openPipe(Unknown Source) at java.nio.channels.Pipe.open(Unknown Source) at sun.nio.ch.WindowsSelectorImpl.<init>(Unknown Source) at sun.nio.ch.WindowsSelectorProvider.openSelector(Unknown Source) at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:175) ... 17 more Caused by: java.net.BindException: Cannot assign requested address: connect at sun.nio.ch.Net.connect0(Native Method) at sun.nio.ch.Net.connect(Unknown Source) at sun.nio.ch.Net.connect(Unknown Source) at sun.nio.ch.SocketChannelImpl.connect(Unknown Source) at java.nio.channels.SocketChannel.open(Unknown Source) at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(Unknown Source) ... 26 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.16.1 Minecraft Version ID: 1.16.1 Operating System: Windows 10 (x86) version 10.0 Java Version: 1.8.0_251, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 56766912 bytes (54 MB) / 259522560 bytes (247 MB) up to 259522560 bytes (247 MB) CPUs: 12 JVM Flags: 0 total; Data Packs: vanilla Is Modded: Unknown (can't tell) Type: Dedicated Server (map_server.txt)