Что обозначает данная ошибка в логах Minecraft
[14:57:59 ERROR]: Failed to start the minecraft server
net.minecraft.util.SessionLock$ExceptionWorldConflict: /root/server/allium/./world/session.lock: already locked (possibly by other Minecraft instance?)
at net.minecraft.util.DirectoryLock$LockException.alreadyLocked(DirectoryLock.java:102) ~[?:?]
at net.minecraft.util.DirectoryLock.create(DirectoryLock.java:30) ~[?:?]
at net.minecraft.world.level.storage.LevelStorageSource$LevelStorageAccess.<init>(LevelStorageSource.java:533) ~[?:?]
at net.minecraft.world.level.storage.LevelStorageSource.validateAndCreateAccess(LevelStorageSource.java:439) ~[?:?]
at net.minecraft.server.Main.main(Main.java:205) ~[purpur-1.20.4.jar:git-Purpur-2127]
at org.bukkit.craftbukkit.Main.main(Main.java:339) ~[purpur-1.20.4.jar:git-Purpur-2127]
at io.papermc.paperclip.Paperclip.lambda$main$0(Paperclip.java:42) ~[app:?]
at java.lang.Thread.run(Thread.java:842) ~[?:?]
[14:57:59 ERROR]: Failed to start the minecraft server
net.minecraft.util.SessionLock$ExceptionWorldConflict: /root/server/allium/./world/session.lock: already locked (possibly by other Minecraft instance?)
at net.minecraft.util.DirectoryLock$LockException.alreadyLocked(DirectoryLock.java:102) ~[?:?]
at net.minecraft.util.DirectoryLock.create(DirectoryLock.java:30) ~[?:?]
at net.minecraft.world.level.storage.LevelStorageSource$LevelStorageAccess.<init>(LevelStorageSource.java:533) ~[?:?]
at net.minecraft.world.level.storage.LevelStorageSource.validateAndCreateAccess(LevelStorageSource.java:439) ~[?:?]
at net.minecraft.server.Main.main(Main.java:205) ~[purpur-1.20.4.jar:git-Purpur-2127]
at org.bukkit.craftbukkit.Main.main(Main.java:339) ~[purpur-1.20.4.jar:git-Purpur-2127]
at io.papermc.paperclip.Paperclip.lambda$main$0(Paperclip.java:42) ~[app:?]
at java.lang.Thread.run(Thread.java:842) ~[?:?]