Fatal error: Uncaught Error: Call to undefined function app() in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/45e260c7da7b243f5ce33a23ab4b957f9e39b326.php:4 Stack trace: #0 {main} thrown in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/45e260c7da7b243f5ce33a23ab4b957f9e39b326.php on line 4