Fatal error: Uncaught Error: Call to undefined function Dompdf\mb_internal_encoding() in /var/www/site/vendor/dompdf/dompdf/src/Dompdf.php:297 Stack trace: #0 /var/www/site/vendor/dompdf/dompdf/src/Dompdf.php(269): Dompdf\Dompdf->setPhpConfig() #1 /var/www/site/app/Support/Pdf.php(26): Dompdf\Dompdf->__construct() #2 /var/www/site/app/Controllers/DocumentController.php(46): Moanin\Support\Pdf::render() #3 /var/www/site/app/Core/Router.php(89): Moanin\Controllers\DocumentController->techRider() #4 /var/www/site/app/Core/Router.php(74): Moanin\Core\Router->call() #5 /var/www/site/public/index.php(125): Moanin\Core\Router->dispatch() #6 /var/www/site/server-router.php(10): require('...') #7 {main} thrown in /var/www/site/vendor/dompdf/dompdf/src/Dompdf.php on line 297