Warning: require_once(./php/Feed.php): failed to open stream: No such file or directory in /home/peitzmeier2/peitzmeier.jp/public_html/feed.html on line 11

Fatal error: require_once(): Failed opening required './php/Feed.php' (include_path='.:/opt/php-7.2.6/data/pear') in /home/peitzmeier2/peitzmeier.jp/public_html/feed.html on line 11