src/de/steamwar/lobby/listener/RabbitListener.java

@@ -42,9 +42,6 @@ public class RabbitListener implements Listener {
         World world = Bukkit.getWorlds().get(0);
         spreadRabbits(250, world);
         Bukkit.getScheduler().runTaskTimer(LobbySystem.getInstance(), () -> {
-            if(Bukkit.getOnlinePlayers().isEmpty()) {
-                return;
-            }
             Rabbit rabbit = world.getEntitiesByClass(Rabbit.class).iterator().next();
             world.spawn(rabbit.getLocation(), Firework.class, firework -> {
                 FireworkMeta meta = firework.getFireworkMeta();