Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\dec9d484afa1d127027b72c8b60a00f0.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\dec9d484afa1d127027b72c8b60a00f0.php on line 4