plugin error

PHP:

case "warp":
                 if(!isset($args[0])){
                     $sender->sendMessage("/warp <warp_name>");
                             $sender->sendMessage("Warps:");
                             $sender->sendMessage("pvp");
                             $sender->sendMessage("shop");
                             $sender->sendMessage("spawn");
                            
                             return true;
                 }
                 $warp = $args[0];
                 if($warp == "pvp"){
                    
                    $level = "pvp";
                    $x = "-199";
                    $y = "59";
                    $z = "826";
                    $position = new Position($x, $y, $z, $level);
                    $player->teleport($position);
                 }

error

Code:

16:07:29 [CRITICAL] Unhandled exception executing command 'warp pvp' in warp: Argument 4 passed to pocketmine\level\Position::__construct() must be an instance of pocketmine\level\Level, string given, called in /root/l/plugins/xp/src/Test/Main.php on line 49
16:07:29 [CRITICAL] TypeError: "Argument 4 passed to pocketmine\level\Position::__construct() must be an instance of pocketmine\level\Level, string given, called in /root/l/plugins/xp/src/Test/Main.php on line 49" (EXCEPTION) in "/src/pocketmine/level/Position" at line 41

 

im using
use pocketmine\level\Position;
use pocketmine\level\Level;

 

$level must be a Level object:

Code:

... must be an instance of pocketmine\level\Level, string given ...

 

use $level = $this->getSever()->getLevelByName("pvp");

 

oh