Fatal error: Declaration of Doku_Handler_Markdown_Ordered_List::interpretSyntax($match, &$type) must be compatible with dokuwiki\Parsing\Handler\Lists::interpretSyntax(string $match): array in /home/www/gedankenwiki.de/htdocs/lib/plugins/markdowku/syntax/olists.php on line 70
dokuwiki\Exception\FatalException: Declaration of Doku_Handler_Markdown_Ordered_List::interpretSyntax($match, &$type) must be compatible with dokuwiki\Parsing\Handler\Lists::interpretSyntax(string $match): array

dokuwiki\Exception\FatalException: Declaration of Doku_Handler_Markdown_Ordered_List::interpretSyntax($match, &$type) must be compatible with dokuwiki\Parsing\Handler\Lists::interpretSyntax(string $match): array

An unforeseen error has occured. This is most likely a bug somewhere. It might be a problem in the markdowku plugin.

More info has been written to the DokuWiki error log.