Fatal error: Uncaught Error: Call to undefined function app() in /home/rwebserver/public_html/operations/storage/framework/views/8c41a4c28b17135582be5c0fe89d2b7af86c5e04.php:21 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/operations/storage/framework/views/8c41a4c28b17135582be5c0fe89d2b7af86c5e04.php on line 21