Fatal error: Uncaught Error: Call to undefined function app() in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/a83316e82ebc2e8c0441f5d4a12126c0e737ab11.php:4 Stack trace: #0 {main} thrown in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/a83316e82ebc2e8c0441f5d4a12126c0e737ab11.php on line 4