Fatal error: Uncaught Error: Call to undefined function app() in /home/rwebserver/public_html/operations/storage/framework/views/5e0e15a12240b6def640b07f1f6df6154c22ed15.php:18 Stack trace: #0 {main} thrown in /home/rwebserver/public_html/operations/storage/framework/views/5e0e15a12240b6def640b07f1f6df6154c22ed15.php on line 18