Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\3b45ee4886503f8d2eaa031d7fbbb5c2.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\3b45ee4886503f8d2eaa031d7fbbb5c2.php on line 4