Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\bfc2b3376ca306e37fd5bb106b16b9d9.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\bfc2b3376ca306e37fd5bb106b16b9d9.php on line 4