プラグイン/rss

Fatal error: Uncaught Error: Class 'ClassRegistry' not found in /home/ha1t/production/dcwiki/vendor/pear/Text/PukiWiki/CakeWiki_Plugin.php:24 Stack trace: #0 /home/ha1t/production/dcwiki/vendor/pear/Text/PukiWiki/PluginHandler.php(29): Text_PukiWiki_CakeWikiPlugin->Text_PukiWiki_CakeWikiPlugin('*rss\xE3\x83\x97\xE3\x83\xA9\xE3\x82\xB0\xE3\x82...') #1 /home/ha1t/production/dcwiki/vendor/pear/Text/PukiWiki.php(392): Text_PukiWiki_PluginHandler->getPlugin('rss', '*rss\xE3\x83\x97\xE3\x83\xA9\xE3\x82\xB0\xE3\x82...') #2 /home/ha1t/production/dcwiki/vendor/pear/Text/PukiWiki.php(98): Text_PukiWiki->parsePlugin('#rss(http://pro...', '*rss\xE3\x83\x97\xE3\x83\xA9\xE3\x82\xB0\xE3\x82...') #3 /home/ha1t/production/dcwiki/app/helpers/html_helper.php(20): Text_PukiWiki->toHtml('*rss\xE3\x83\x97\xE3\x83\xA9\xE3\x82\xB0\xE3\x82...') #4 /home/ha1t/production/dcwiki/app/views/page/show.php(3): to_html('*rss\xE3\x83\x97\xE3\x83\xA9\xE3\x82\xB0\xE3\x82...') #5 /home/ha1t/production/dcwiki/app/app_layout_view.php(41): include('/home/ha1t/p in /home/ha1t/production/dcwiki/vendor/pear/Text/PukiWiki/CakeWiki_Plugin.php on line 24