Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/sa/storage/framework/views/766c778e66f2f64bce960f3c8549f629ac043c57.php:4 Stack trace: #0 {main} thrown in /home/gbc4/public_html/sa/storage/framework/views/766c778e66f2f64bce960f3c8549f629ac043c57.php on line 4