Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/fb475182019813002d5107a03b582873a792a27b.php:4 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/fb475182019813002d5107a03b582873a792a27b.php on line 4