Fatal error: Uncaught Error: Call to undefined function app() in /home/grouugah/learning.group-awd.org/storage/framework/views/f80e55bde58b8f0855c62b939bf11d5c404916eb.php:1 Stack trace: #0 {main} thrown in /home/grouugah/learning.group-awd.org/storage/framework/views/f80e55bde58b8f0855c62b939bf11d5c404916eb.php on line 1