Breeding page is blank

[RandomFrog]

Okay, here is the code:

PHP Code:

<?php

class BreedingController extends AppController{

    private $view;
    private $subController;

    public function __construct(){
        parent::__construct("member");
        $mysidia = Registry::get("mysidia");        
        $userStatus = $mysidia->user->getstatus();
        if($userStatus->canbreed == "no") throw new NoPermissionException("It appears that you have been banned for breeding.");        
    }
    
    public function index(){
        $mysidia = Registry::get("mysidia");
        $document = $mysidia->frame->getDocument();
        $settings = new BreedingSetting($mysidia->db);
        if($settings->system != "enabled") throw new InvalidActionException($mysidia->lang->system);
        
        if($mysidia->input->post("submit")){
            if($mysidia->input->post("female") == "none" or $mysidia->input->post("male") == "none"){
                  throw new InvalidIDException("You haven't selected a male or female adoptable.");
            }
            
            try{
                $female = new OwnedAdoptable($mysidia->input->post("female"), $mysidia->user->username);
                $male = new OwnedAdoptable($mysidia->input->post("male"), $mysidia->user->username);
                $breeding = new Breeding($female, $male, $settings); 
                $validator = $breeding->getValidator("all");
                $validator->validate();
            }
            catch(AdoptNotfoundException $ane){
                throw new InvalidIDException("There is no adoptable that has that ID!");
            }
            catch(BreedingException $bre){                
                $status = $bre->getmessage();
                $validator->setStatus($status);
                throw new InvalidActionException($mysidia->lang->{$status});
            }
            
            if($settings->method == "advanced") $species = $breeding->getBabySpecies();
            $breeding->getBabyAdopts($species);
            $breeding->breed($adopts);
            $num = $breeding->countOffsprings();

            if($num > 0){
                $document->setTitle("Breeding is Successful!");
                $document->add(new Comment("Congratulations! Breeding is successful, you have acquired {$breeding->countOffsprings()} baby adoptables from the breeding center."));
                $document->add(new Comment("Click on one of the links to see them!"));
                $offsprings = $breeding->getOffsprings();
                $offspringID = $mysidia->db->select("owned_adoptables", array("aid"), "1 ORDER BY aid DESC LIMIT 1")->fetchColumn() - $num + 1;
                foreach($offsprings as $offspring){
                    $image = $offspring->getEggImage("gui");
                    $link = new Link("myadopts/manage/{$offspringID}", $image);
                    $document->add($link);
                    $offspringID++;
                }
            }
            else{
                $document->setTitle("Breeding has failed...");
                $document->addLangvar(It did not work. Maybe you can try again!");
            }            
            return;
        }
        
        $document->setTitle($mysidia->lang->title);
        $document->addLangvar($mysidia->lang->default.$mysidia->lang->money);
        $document->addLangvar("{$settings->cost} {$mysidia->settings->cost}");
        $document->addLangvar($mysidia->lang->warning.$mysidia->lang->select);
        $breedingForm = new Form("breedingform", "breeding", "post");
        $current = new DateTime;
        $lasttime = $current->getTimestamp() - (($settings->interval) * 24 * 60 * 60);
        
        $stmt = $mysidia->db->select("owned_adoptables", array("aid"), "owner = '{$mysidia->user->username}' AND gender = 'f' AND currentlevel >= {$settings->level} AND lastbred <= '{$lasttime}'");
        if($stmt->rowcount() == 0) $document->addLangvar($mysidia->lang->female);
        else{ 
            $female = new DropdownList("female");
            $femaleIDs = $stmt->fetchAll(PDO::FETCH_COLUMN);    
            $femaleNames = $mysidia->db->select("owned_adoptables", array("name"), "owner = '{$mysidia->user->username}' AND gender = 'f' AND currentlevel >= {$settings->level} AND lastbred <= '{$lasttime}'")->fetchAll(PDO::FETCH_COLUMN);
            $female->add(new Option("None Selected", "none"));
            $female->fill($femaleNames, $femaleIDs);
            $breedingForm->add(new Comment("Female: ", FALSE));
            $breedingForm->add($female);
        }    
  
        $stmt = $mysidia->db->select("owned_adoptables", array(), "owner = '{$mysidia->user->username}' AND gender = 'm' AND currentlevel >= {$settings->level} AND lastbred <= '{$lasttime}'");
        if($stmt->rowcount() == 0) $document->addLangvar($mysidia->lang->male);
        else{
            $male = new DropdownList("male");
            $maleIDs = $stmt->fetchAll(PDO::FETCH_COLUMN);    
            $maleNames = $mysidia->db->select("owned_adoptables", array("name"), "owner = '{$mysidia->user->username}' AND gender = 'm' AND currentlevel >= {$settings->level} AND lastbred <= '{$lasttime}'")->fetchAll(PDO::FETCH_COLUMN);
            $male->add(new Option("None Selected", "none"));
            $male->fill($maleNames, $maleIDs);
            $breedingForm->add(new Comment("Male: ", FALSE));
            $breedingForm->add($male);
        }
        
        $breedingForm->add(new PasswordField("hidden", "breed", "yes"));
        $breedingForm->add(new Button("Let's breed!", "submit", "submit"));
        $document->add($breedingForm);    
    }
}
?>

It also WAS working when I installed it.