Fatal error: Uncaught Error: Call to undefined function app() in /home/grouugah/learning.group-awd.org/storage/framework/views/828644913f4793e5c4e70be994e3cd6a54ca41d6.php:7 Stack trace: #0 {main} thrown in /home/grouugah/learning.group-awd.org/storage/framework/views/828644913f4793e5c4e70be994e3cd6a54ca41d6.php on line 7