Fatal error: Uncaught Error: Call to undefined function app() in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/71c8fd0044c7b823ee9ed45fc2c5a8f4e7d9f1c7.php:1 Stack trace: #0 {main} thrown in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/71c8fd0044c7b823ee9ed45fc2c5a8f4e7d9f1c7.php on line 1