Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\21a9632e53a0a8e2f0fbe6192a54744b6307bf56.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\21a9632e53a0a8e2f0fbe6192a54744b6307bf56.php on line 1