Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/5419cc508e02530f0b39af239addf216ddc3f17d.php:4 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/5419cc508e02530f0b39af239addf216ddc3f17d.php on line 4