Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/3dfd86b3b7806cdd55b70349e40c75e4a681e84d.php:1 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/3dfd86b3b7806cdd55b70349e40c75e4a681e84d.php on line 1