Fatal error: Uncaught Error: Function name must be a string in /usr/www/users/mycamfwzaz/app/code/core/Mage/Core/Model/Layout.php:555
Stack trace:
#0 /usr/www/users/mycamfwzaz/app/code/core/Mage/Core/Controller/Varien/Action.php(390): Mage_Core_Model_Layout->getOutput()
#1 /usr/www/users/mycamfwzaz/app/code/local/Smartwave/Ajaxcatalog/controllers/Catalog/CategoryController.php(111): Mage_Core_Controller_Varien_Action->renderLayout()
#2 /usr/www/users/mycamfwzaz/app/code/core/Mage/Core/Controller/Varien/Action.php(418): Smartwave_Ajaxcatalog_Catalog_CategoryController->viewAction()
#3 /usr/www/users/mycamfwzaz/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('view')
#4 /usr/www/users/mycamfwzaz/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#5 /usr/www/users/mycamfwzaz/app/code/core/Mage/Core/Model/App.php(365): Mage_Core_Controller_Varien_Front->dispatch() in /usr/www/users/mycamfwzaz/app/code/core/Mage/Core/Model/Layout.php on line 555