Fatal error: Uncaught Error: Call to undefined function app() in /home/grouugah/learning.group-awd.org/storage/framework/views/a9ce3ce4087f3bae22f116548abdac89cf85bf93.php:1 Stack trace: #0 {main} thrown in /home/grouugah/learning.group-awd.org/storage/framework/views/a9ce3ce4087f3bae22f116548abdac89cf85bf93.php on line 1