Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\1f68a9fce743c6fad7ace67327d2a82b.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\1f68a9fce743c6fad7ace67327d2a82b.php on line 4