Fatal error: Uncaught Error: Call to undefined function app() in /home/marstests/tanrail1.marstests.online/storage/framework/views/97994c6b186b17ce66c8f63ea6d250e3.php:9 Stack trace: #0 {main} thrown in /home/marstests/tanrail1.marstests.online/storage/framework/views/97994c6b186b17ce66c8f63ea6d250e3.php on line 9