Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/b54696e53672174869d79b6261f3a48347137829.php:4 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/b54696e53672174869d79b6261f3a48347137829.php on line 4