Fatal error: Uncaught Error: Class 'Twig\Extensions\I18nExtension' not found in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/vendor/simplesamlphp/twig-configurable-i18n/src/Twig/Extensions/Extension/I18n.php:14 Stack trace: #0 {main} thrown in /var/www/alldocs/home/sdoehner/webtest/simplesamlphp_idp/vendor/simplesamlphp/twig-configurable-i18n/src/Twig/Extensions/Extension/I18n.php on line 14