Fatal error: Uncaught Error: Class 'Symfony\Component\Config\Util\Exception\XmlParsingException' not found in /home/app/htdocs/ninja/vendor/symfony/config/Util/Exception/InvalidXmlException.php:19
Stack trace:
#0 {main}
thrown in /home/app/htdocs/ninja/vendor/symfony/config/Util/Exception/InvalidXmlException.php on line 19