Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/52ca63582b7dc19b30b8284246cc95ea2a5f455c.php:2 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/52ca63582b7dc19b30b8284246cc95ea2a5f455c.php on line 2