Fatal error: Uncaught Error: Call to undefined function app() in /home/previewpanel/public_html/epos/storage/framework/views/9853938d4f99a8cbd40a7713a8e91002216e4e4e.php:7 Stack trace: #0 {main} thrown in /home/previewpanel/public_html/epos/storage/framework/views/9853938d4f99a8cbd40a7713a8e91002216e4e4e.php on line 7