Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\7f8b4d3e1514d7c00cd671e2a16fbe74.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\7f8b4d3e1514d7c00cd671e2a16fbe74.php on line 4