Fatal error: Uncaught Error: Call to undefined function app() in /home/gbc4/public_html/erp/storage/framework/views/837c3935bce07d8d021536c4224fda096af6bdd8.php:3 Stack trace: #0 {main} thrown in /home/gbc4/public_html/erp/storage/framework/views/837c3935bce07d8d021536c4224fda096af6bdd8.php on line 3