Page not found

Error with code 404 in '/home/m/motozapcom/public_html/wa-apps/shop/plugins/preorder/lib/actions/frontend/shopPreorderPluginFrontendCreate.controller.php' around line 21:

   16		);
   17		
   18		public function execute()
   19		{
   20			if ( !waRequest::isXMLHttpRequest() )
 >>21				throw new waException('Page not found', 404);
   22			
   23			$plugin = wa('shop')->getPlugin('preorder');
   24			$settings = $plugin->getSettings();
   25			$type = $settings['type'];
   26			

Call stack

#0 /home/m/motozapcom/public_html/wa-system/controller/waController.class.php(21): shopPreorderPluginFrontendCreateController->execute()
#1 /home/m/motozapcom/public_html/wa-system/controller/waJsonController.class.php(28): waController->run(NULL)
#2 /home/m/motozapcom/public_html/wa-system/controller/waFrontController.class.php(141): waJsonController->run()
#3 /home/m/motozapcom/public_html/wa-system/controller/waFrontController.class.php(58): waFrontController->execute('preorder', 'frontend', 'create')
#4 /home/m/motozapcom/public_html/wa-system/waSystem.class.php(612): waFrontController->dispatch()
#5 /home/m/motozapcom/public_html/index.php(7): waSystem->dispatch()
#6 {main}

Request

array (
)

Params

array (
  'app' => 'shop',
  'theme' => 'user',
  'theme_mobile' => 'user',
  'locale' => 'ru_RU',
  'title' => 'Интернет-магазин мотозапчастей в Москве - Motozap.com',
  'meta_keywords' => 'Новые и б/у запчасти для мотоциклов Yamaha Honda Suzuki Kawasaki',
  'meta_description' => 'Интернет-магазин Мотозап.ком предлагает запчасти новые и б/у для мотоциклов: Yamaha, Honda, Suzuki, Kawasaki. Доставка по России и СНГ. Звоните +7 (915) 459-53-06.
',
  'og_title' => '',
  'og_image' => '',
  'og_video' => '',
  'og_description' => '',
  'og_type' => '',
  'url_type' => '2',
  'type_id' => '0',
  'currency' => 'RUB',
  'drop_out_of_stock' => '1',
  'payment_id' => '0',
  'shipping_id' => '0',
  'module' => 'frontend',
  'action' => 'create',
  'plugin' => 'preorder',
)