Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/e3d8af09884756e3a5e86646730e0f0c7cbd63d6.php:2 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/e3d8af09884756e3a5e86646730e0f0c7cbd63d6.php on line 2