Błędy w sendMessage

package io.github.mleczuuu.komendy;

import org.bukkit.plugin.java.JavaPlugin;

import static org.bukkit.Bukkit.getConsoleSender;

public final class Komendy extends JavaPlugin {

    @Override
    public void onEnable() {
        // Plugin startup logic
        getConsoleSender().sendMessage("MleczuCommands -> Start.");
        getCommand("pomoc").setExecutor(new PomocCommand());
    }
}

package io.github.mleczuuu.komendy;

import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

public class PomocCommand implements CommandExecutor {
    @Override
    public boolean onCommand(CommandSender sender, Command arg1, String arg2, String[] arg3) {
        Player p = (Player)sender;
        p.sendMessage(" 1. Test");
        return false;
    }
}

Unexpected exception while parsing console command "pomoc"
org.bukkit.command.CommandException: Unhandled exception executing command 'pomoc' in plugin Komendy v1.0-SNAPSHOT
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[server.jar:git-Spigot-37d799b-3eb7236]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:149) ~[server.jar:git-Spigot-37d799b-3eb7236]
	at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchCommand(CraftServer.java:758) ~[server.jar:git-Spigot-37d799b-3eb7236]
	at org.bukkit.craftbukkit.v1_16_R3.CraftServer.dispatchServerCommand(CraftServer.java:743) ~[server.jar:git-Spigot-37d799b-3eb7236]
	at net.minecraft.server.v1_16_R3.DedicatedServer.handleCommandQueue(DedicatedServer.java:387) ~[server.jar:git-Spigot-37d799b-3eb7236]
	at net.minecraft.server.v1_16_R3.DedicatedServer.b(DedicatedServer.java:356) ~[server.jar:git-Spigot-37d799b-3eb7236]
	at net.minecraft.server.v1_16_R3.MinecraftServer.a(MinecraftServer.java:1007) ~[server.jar:git-Spigot-37d799b-3eb7236]
	at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:846) ~[server.jar:git-Spigot-37d799b-3eb7236]
	at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:164) ~[server.jar:git-Spigot-37d799b-3eb7236]
	at java.lang.Thread.run(Thread.java:832) [?:?]
Caused by: java.lang.ClassCastException: class org.bukkit.craftbukkit.v1_16_R3.command.ColouredConsoleSender cannot be cast to class org.bukkit.entity.Player (org.bukkit.craftbukkit.v1_16_R3.command.ColouredConsoleSender and org.bukkit.entity.Player are in unnamed module of loader 'app')
	at io.github.mleczuuu.komendy.PomocCommand.onCommand(PomocCommand.java:11) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[server.jar:git-Spigot-37d799b-3eb7236]
	... 9 more