Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\000436312b26897df86363e4ec5ce3e9.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\000436312b26897df86363e4ec5ce3e9.php on line 4