Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\cffdf808ed754565a82e4f58a78d362f.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\cffdf808ed754565a82e4f58a78d362f.php on line 4