Hello Developers I am trying to players do others gravity in my plugin, but i keep get a error. Heres my code: Code: GravityEffect g = new GravityEffect(); if(args[0].equalsIgnoreCase("0")){ g.Level0(p); if(!p.hasPermission("customgravity.other.0")){ m.GetPlayerError(p); } if(p.hasPermission("customgravity.other.0")){ Player target = Bukkit.getServer().getPlayer(args[1]); if(target == null){ MessageManager.getInstance().severe(p, "Could not find " + args[1] + "!"); } if(args.length == 1){ target.removePotionEffect(PotionEffectType.SPEED); target.removePotionEffect(PotionEffectType.SLOW); target.removePotionEffect(PotionEffectType.JUMP); MessageManager.getInstance().good(target, "Your gravity has been changed!"); } } else if (p.hasPermission("customgravity.other.0")) return true; }