Fatal error: Uncaught Error: Interface "ILIAS\UI\Implementation\Crawler\Exception\CrawlerExceptionHandler" not found in /var/www/html/ilias/components/ILIAS/UI/src/Implementation/Crawler/Exception/CrawlerExceptionThrower.php:26 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/UI/src/Implementation/Crawler/Exception/CrawlerExceptionThrower.php on line 26