Fatal error: Uncaught Error: Call to undefined function app() in /home/grouugah/learning.group-awd.org/storage/framework/views/5a00d08707302dba1b32204988f523e3f7c5e878.php:1 Stack trace: #0 {main} thrown in /home/grouugah/learning.group-awd.org/storage/framework/views/5a00d08707302dba1b32204988f523e3f7c5e878.php on line 1