Plugin Problem: Entity Player cant be resolved to a type!

package SomeRandomnPackage;

import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;

public class Main extends JavaPlugin {

    public boolean onCommand(CommandSender sender, Command cmd, String label, String[] args) {
        if(sender instanceof Player) {
            Player player = (Player) sender;
            if(cmd.getName().equalsIgnoreCase("hub")){
                String rekt = "msg " + player.getName() + "You just rekt a player!";
                Bukkit.dispatchCommand(Bukkit.getConsoleSender(), rekt);
                player.sendMessage(ChatColor.BOLD + "" + ChatColor.LIGHT_PURPLE + "You just got rekt twice!" );

            }
        }
        return false;
    }