[13:09:29] [Server thread/ERROR]: [My_Worlds] World creation failed after 0 retries!
java.lang.RuntimeException: java.io.IOException: 另一个程序已锁定文件的一部分，进程无法访问。
        at org.bukkit.craftbukkit.v1_20_R1.CraftServer.createWorld(CraftServer.java:1103) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at org.bukkit.Bukkit.createWorld(Bukkit.java:703) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.WorldCreator.createWorld(WorldCreator.java:405) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at com.bergerkiller.bukkit.mw.WorldManager.createWorld(WorldManager.java:388) ~[?:?]
        at com.bergerkiller.bukkit.mw.commands.WorldCreate.execute(WorldCreate.java:85) ~[?:?]
        at com.bergerkiller.bukkit.mw.commands.registry.MyWorldsCommands.execute(MyWorldsCommands.java:45) ~[?:?]
        at com.bergerkiller.bukkit.mw.MyWorlds.command(MyWorlds.java:438) ~[?:?]
        at com.bergerkiller.bukkit.common.PluginBase.onCommand(PluginBase.java:1093) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149) ~[spigot-api-1.20.1-R0.1-SNAPSHOT.jar:?]
        at org.bukkit.craftbukkit.v1_20_R1.CraftServer.dispatchCommand(CraftServer.java:877) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at org.bukkit.craftbukkit.v1_20_R1.command.BukkitCommandWrapper.run(BukkitCommandWrapper.java:50) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:265) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:?]
        at net.minecraft.commands.CommandDispatcher.performCommand(CommandDispatcher.java:314) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.commands.CommandDispatcher.a(CommandDispatcher.java:298) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.network.PlayerConnection.a(PlayerConnection.java:1962) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.network.PlayerConnection.lambda$18(PlayerConnection.java:1924) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.util.thread.IAsyncTaskHandler.b(SourceFile:67) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?]
        at net.minecraft.server.TickTask.run(SourceFile:18) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.util.thread.IAsyncTaskHandler.d(SourceFile:156) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.util.thread.IAsyncTaskHandlerReentrant.d(SourceFile:23) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:1151) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:1) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.util.thread.IAsyncTaskHandler.x(SourceFile:130) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.bg(MinecraftServer.java:1130) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.x(MinecraftServer.java:1123) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.util.thread.IAsyncTaskHandler.c(SourceFile:139) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.p_(MinecraftServer.java:1107) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:1018) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.server.MinecraftServer.lambda$0(MinecraftServer.java:303) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.io.IOException: 另一个程序已锁定文件的一部分，进程无法访问。
        at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[?:?]
        at sun.nio.ch.FileDispatcherImpl.write(FileDispatcherImpl.java:68) ~[?:?]
        at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:132) ~[?:?]
        at sun.nio.ch.IOUtil.write(IOUtil.java:76) ~[?:?]
        at sun.nio.ch.IOUtil.write(IOUtil.java:67) ~[?:?]
        at sun.nio.ch.FileChannelImpl.write(FileChannelImpl.java:288) ~[?:?]
        at net.minecraft.util.SessionLock.a(SourceFile:37) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.world.level.storage.Convertable$ConversionSession.<init>(Convertable.java:517) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at net.minecraft.world.level.storage.Convertable.validateAndCreateAccess(Convertable.java:430) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        at org.bukkit.craftbukkit.v1_20_R1.CraftServer.createWorld(CraftServer.java:1101) ~[spigot-1.20.1-R0.1-SNAPSHOT.jar:3871-Spigot-d2eba2c-3f9263b]
        ... 31 more

被文件锁了，试试重启系统，如果是面板服试试强制停止服务器

我用的是自家电脑，关机重启还是这样，

世界名不能为中文

感谢感谢