Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\ea326948dbb0cb5670a64d430397dd76.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\ea326948dbb0cb5670a64d430397dd76.php on line 4