Fatal error: Uncaught exception 'Exception' in /var/www/classes/class.gallery.php:19 Stack trace: #0 /var/www/views/gallery/show.php(5): gallery->__construct('research') #1 /var/www/classes/class.controller.php(14): include('/var/www/views/...') #2 /var/www/controllers/galleryController.php(32): controller->view() #3 /var/www/classes/class.app.php(107): galleryController->show() #4 /var/www/index.php(67): App->mainbody() #5 {main} thrown in /var/www/classes/class.gallery.php on line 19