Fatal error: Uncaught Error: Call to undefined method Model\Spotify::loginUser() in /var/www/letssubmit.com/public_html/controller/LoginController.php:460 Stack trace: #0 [internal function]: Controller\LoginController->login_redirect_spotify() #1 /var/www/letssubmit.com/public_html/core/Router.php(82): call_user_func() #2 /var/www/letssubmit.com/public_html/core/Application.php(228): Core\Router->resolve() #3 /var/www/letssubmit.com/public_html/index.php(784): Core\Application->run() #4 {main} thrown in /var/www/letssubmit.com/public_html/controller/LoginController.php on line 460