dokuwiki\Exception\FatalException: Cannot redeclare class dokuwiki\Feed\FeedParser (previously declared in /data01/virt137024/domeenid/www.sannebild.eu/htdocs/inc/Feed/FeedParser.php:11)

An unforeseen error has occured. This is most likely a bug somewhere.

More info has been written to the DokuWiki error log.