Fatal error: Uncaught Error: Call to undefined function app() in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/87dd0c7c65c768112e7fcf4e91c71c19806d1c81.php:1 Stack trace: #0 {main} thrown in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/87dd0c7c65c768112e7fcf4e91c71c19806d1c81.php on line 1