Fatal error: Uncaught Error: Call to undefined function app() in /var/www/html/repo/school-infix-v6.0/storage/framework/views/59df8446dd1c94f39eefe028141168c8bb319b7e.php:13 Stack trace: #0 {main} thrown in /var/www/html/repo/school-infix-v6.0/storage/framework/views/59df8446dd1c94f39eefe028141168c8bb319b7e.php on line 13