Fatal error: Uncaught Error: Call to undefined function app() in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/cb003e4ba27f0c9af5ce3ac50b3e5bae2152c642.php:20 Stack trace: #0 {main} thrown in /home4/renewrit/public_html/billing.renewrite.in/storage/framework/views/cb003e4ba27f0c9af5ce3ac50b3e5bae2152c642.php on line 20