Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\8cfd85455103048d69ab5d5a06308636.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\8cfd85455103048d69ab5d5a06308636.php on line 4