Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/730ae5713b4f61d19a3a3913c368df0e524e0074.php:2 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/730ae5713b4f61d19a3a3913c368df0e524e0074.php on line 2