Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\5d671186f0332ab110cbec745e8c84b0.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\5d671186f0332ab110cbec745e8c84b0.php on line 4