Fatal error: Uncaught Error: Call to undefined function app() in /home/marstests/tanrail1.marstests.online/sgr.marstests.online/storage/framework/views/b87b4d173ede783e0f86d8be07af7224.php:9 Stack trace: #0 {main} thrown in /home/marstests/tanrail1.marstests.online/sgr.marstests.online/storage/framework/views/b87b4d173ede783e0f86d8be07af7224.php on line 9