[05:44:06] [main/FATAL] [minecraft/Main]: Failed to start the minecraft server

java.nio.file.AccessDeniedException: ./world/session.lock

        at sun.nio.fs.UnixException.translateToIOException(UnixException.java:90) ~[?:?] {}

        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?] {}

        at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116) ~[?:?] {}

        at sun.nio.fs.UnixFileSystemProvider.newFileChannel(UnixFileSystemProvider.java:182) ~[?:?] {}

        at java.nio.channels.FileChannel.open(FileChannel.java:292) ~[?:?] {}

        at java.nio.channels.FileChannel.open(FileChannel.java:345) ~[?:?] {}

        at net.minecraft.server.SessionLockManager.func_232998_a_(SourceFile:37) ~[?:?] {re:classloading}

        at net.minecraft.world.storage.SaveFormat$LevelSave.<init>(SaveFormat.java:277) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}

        at net.minecraft.world.storage.SaveFormat.func_237274_c_(SaveFormat.java:265) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}

        at net.minecraft.server.Main.main(Main.java:116) ~[?:?] {re:classloading}

        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}

        at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:?] {}

        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}

        at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?] {}

        at net.minecraftforge.fml.loading.FMLServerLaunchProvider.lambda$launchService$0(FMLServerLaunchProvider.java:37) ~[forge-1.16.5-36.2.39.jar:36.2] {}

        at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}

        at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}

        at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}

        at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {}

        at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {}

        at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:49) [forge-1.16.5-36.2.39.jar:?] {}

        at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:46) [forge-1.16.5-36.2.39.jar:?] {}

        at net.minecraftforge.server.ServerMain.main(ServerMain.java:43) [forge-1.16.5-36.2.39.jar:?] {}

버전 1.16.5에 자바는 11이깔려 있습니다.

대체 무슨 에러인가요?

아까는 잘 되다가 월드 수정하고 나서 또 안되네요..

그렇다고 월드 문제는 아닌게 월드를 완전히 지워봤는데도 같은 에러가 떴어요