Fatal error: Uncaught Error: Call to undefined function app() in /var/www/html/repo/school-infix-v6.0/storage/framework/views/d21447306ac2ae9c4a2dd2416423a11805963397.php:13 Stack trace: #0 {main} thrown in /var/www/html/repo/school-infix-v6.0/storage/framework/views/d21447306ac2ae9c4a2dd2416423a11805963397.php on line 13