Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\1ef4187be5ac8d35dbd32711752bbc43.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\1ef4187be5ac8d35dbd32711752bbc43.php on line 4