Fatal error: Uncaught Error: Function name must be a string in D:\www\delta-fashion.nl\www\shop\app\code\core\Mage\Core\Model\Layout.php:555 Stack trace: #0 D:\www\delta-fashion.nl\www\shop\app\code\core\Mage\Core\Controller\Varien\Action.php(390): Mage_Core_Model_Layout->getOutput() #1 D:\www\delta-fashion.nl\www\shop\app\code\core\Mage\Catalog\Helper\Product\View.php(147): Mage_Core_Controller_Varien_Action->renderLayout() #2 D:\www\delta-fashion.nl\www\shop\app\code\local\Excellence\Ajax\controllers\IndexController.php(93): Mage_Catalog_Helper_Product_View->prepareAndRender('280', Object(Excellence_Ajax_IndexController), Object(Varien_Object)) #3 D:\www\delta-fashion.nl\www\shop\app\code\core\Mage\Core\Controller\Varien\Action.php(418): Excellence_Ajax_IndexController->optionsAction() #4 D:\www\delta-fashion.nl\www\shop\app\code\core\Mage\Core\Controller\Varien\Router\Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('options') #5 D:\www\delta-fashion.nl\www\shop\app\code\core\Mage\Core\Controller\Varien\ in D:\www\delta-fashion.nl\www\shop\app\code\core\Mage\Core\Model\Layout.php on line 555