Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\adminlte3\storage\framework\views\1a530baaf199de9a52a36d94e77d6f6a77acffdb.php:1 Stack trace: #0 {main} thrown in C:\xampp\htdocs\adminlte3\storage\framework\views\1a530baaf199de9a52a36d94e77d6f6a77acffdb.php on line 1