Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\bcss\storage\framework\views\e41e26fb474e00019ba0156360942cb6.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bcss\storage\framework\views\e41e26fb474e00019ba0156360942cb6.php on line 4