Fatal error: Uncaught InvalidArgumentException: [ERROR 3070] complex type 'container': The content model is not determinist. (in file:////srv/www/htdocs/mapbender/application/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/schema/dic/services/services-1.0.xsd - line 20, column 0) in /srv/www/htdocs/mapbender/application/vendor/symfony/symfony/src/Symfony/Component/Config/Util/XmlUtils.php:96 Stack trace: #0 /srv/www/htdocs/mapbender/application/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php(211): Symfony\Component\Config\Util\XmlUtils::loadFile('/srv/www/htdocs...', Array) #1 /srv/www/htdocs/mapbender/application/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php(39): Symfony\Component\DependencyInjection\Loader\XmlFileLoader->parseFile('/srv/www/htdocs...') #2 /srv/www/htdocs/mapbender/application/vendor/symfony/symfony/src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php(42): Symfony\Compone in /srv/www/htdocs/mapbender/application/vendor/symfony/symfony/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php on line 213