Error: Class 'DOMDocument' not found in /var/www/html/vendor/magento/framework/Xml/Parser.php:35
Stack trace:
#0 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(60): Magento\Framework\Xml\Parser->__construct()
#1 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(81): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...')
#2 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...')
#3 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Framewo...')
#4 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...')
#5 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Framewo...')
#6 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...')
#7 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Framewo...')
#8 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Framewo...')
#9 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Framewo...')
#10 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(150): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Backend...')
#11 /var/www/html/vendor/magento/framework/ObjectManager/Factory/Compiled.php(79): Magento\Framework\ObjectManager\Factory\Compiled->get('Magento\\Backend...')
#12 /var/www/html/vendor/magento/framework/ObjectManager/ObjectManager.php(70): Magento\Framework\ObjectManager\Factory\Compiled->create('Magento\\Backend...')
#13 /var/www/html/generated/code/Magento/Backend/App/Request/PathInfoProcessor/Proxy.php(84): Magento\Framework\ObjectManager\ObjectManager->get('Magento\\Backend...')
#14 /var/www/html/generated/code/Magento/Backend/App/Request/PathInfoProcessor/Proxy.php(95): Magento\Backend\App\Request\PathInfoProcessor\Proxy->_getSubject()
#15 /var/www/html/vendor/magento/framework/App/Request/Http.php(148): Magento\Backend\App\Request\PathInfoProcessor\Proxy->process(Object(Magento\Framework\App\Request\Http), '/mr-filberts-ka...')
#16 /var/www/html/vendor/magento/framework/App/Request/Http.php(163): Magento\Framework\App\Request\Http->getOriginalPathInfo()
#17 /var/www/html/vendor/magento/framework/App/Request/Http.php(213): Magento\Framework\App\Request\Http->getPathInfo()
#18 /var/www/html/vendor/magento/framework/App/Http.php(111): Magento\Framework\App\Request\Http->getFrontName()
#19 /var/www/html/vendor/magento/framework/App/Bootstrap.php(263): Magento\Framework\App\Http->launch()
#20 /var/www/html/pub/index.php(29): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http))
#21 {main}