Fatal error: Uncaught Error: Call to undefined function app() in C:\xampp\htdocs\erp\storage\framework\views\7e127a77364c3825dbac337605a69838.php:4 Stack trace: #0 {main} thrown in C:\xampp\htdocs\erp\storage\framework\views\7e127a77364c3825dbac337605a69838.php on line 4