Fatal error: Uncaught Error: Call to undefined function app() in /home/rwebserver/public_html/operations/storage/framework/views/4f730e0f027fef619136b9415b68d44562773f46.php:21 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/operations/storage/framework/views/4f730e0f027fef619136b9415b68d44562773f46.php on line 21