Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\bcss\storage\framework\views\75d7f4c317b631f88e7d94961c3a9242.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\bcss\storage\framework\views\75d7f4c317b631f88e7d94961c3a9242.php on line 4