Fatal error: Uncaught Error: Call to undefined function app() in /home/rwebserver/public_html/operations/storage/framework/views/6710a18138d8991678aaa4d9b4c675873f09aa9e.php:21 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/operations/storage/framework/views/6710a18138d8991678aaa4d9b4c675873f09aa9e.php on line 21