Erreur 500 mise en page introuvable sur canonical

17	JViewLegacy->loadTemplate()	/public_html/templates/shoes/html/com_hikashop/product/show.php:122

$this->setLayout($this->productlayout);
echo $this->loadTemplate();

if(isset($this->productlayout)){
	$this->setLayout($this->productlayout);
} else{
	$this->setLayout('show_default');
}
echo $this->loadTemplate();

Call to a member function get() on array in templates/shoes/html/com_hikashop/product/show_default.php on line 232

if (!$this->params->get('catalogue') && ($this->config->get('display_add_to_cart_for_free_products') || ($this->config->get('display_add_to_wishlist_for_free_products', 1) && hikashop_level(1) && $this->params->get('add_to_wishlist') && $config->get('enable_wishlist', 1)) || !empty($this->element->prices)))

$app = JFactory::getApplication();

if(!isset($this->element)){	
	$app->redirect($link_archive);;
}