[17:16:53] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'home' in plugin ClassServerSystem v1.0
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchCommand(CraftServer.java:758) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PlayerConnection.handleCommand(PlayerConnection.java:1788) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PlayerConnection.c(PlayerConnection.java:1631) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:1584) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:47) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PacketPlayInChat.a(PacketPlayInChat.java:1) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:19) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(SourceFile:144) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(SourceFile:118) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:941) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:934) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(SourceFile:127) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:918) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:850) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:164) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_261]
Caused by: java.lang.IllegalArgumentException: location.world
        at com.google.common.base.Preconditions.checkArgument(Preconditions.java:122) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at org.bukkit.craftbukkit.v1_16_R3.entity.CraftPlayer.teleport(CraftPlayer.java:640) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at org.bukkit.craftbukkit.v1_16_R3.entity.CraftEntity.teleport(CraftEntity.java:470) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        at de.universxlgenie.classserver.commands.HomeCommand.onCommand(HomeCommand.java:32) ~[?:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[spigot-1.16.4.jar:git-Spigot-37d799b-3eb7236]
        ... 19 more