Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\c8e11151f681706b2836b693cf50e3e3.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\c8e11151f681706b2836b693cf50e3e3.php on line 4