Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/e4044a0fa168e9d441063b7b406917f0c0eccdb9.php:3 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/e4044a0fa168e9d441063b7b406917f0c0eccdb9.php on line 3