Fatal error: Uncaught RuntimeException: Extension DOM is required. in /var/www/vhosts/arto.kg/httpdocs/vendor/symfony/symfony/src/Symfony/Component/Config/Util/XmlUtils.php:50 Stack trace: #0 /var/www/vhosts/arto.kg/httpdocs/vendor/symfony/symfony/src/Symfony/Component/Config/Util/XmlUtils.php(131): Symfony\Component\Config\Util\XmlUtils::parse('<?xml version="...', Array) #1 /var/www/vhosts/arto.kg/httpdocs/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php(384): Symfony\Component\Config\Util\XmlUtils::loadFile('/var/www/vhosts...', Array) #2 /var/www/vhosts/arto.kg/httpdocs/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php(44): Symfony\Component\DependencyInjection\Loader\XmlFileLoader->parseFileToDOM('/var/www/vhosts...') #3 /var/www/vhosts/arto.kg/httpdocs/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php(116): Symfony\Component\DependencyInjection\Loader\XmlFileLoader->load('web.xml') #4 / in /var/www/vhosts/arto.kg/httpdocs/vendor/symfony/symfony/src/Symfony/Component/Config/Util/XmlUtils.php on line 50