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Fatal error: Uncaught Error: Call to undefined function dokuwiki\HTTP\fsockopen() in /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/HTTP/HTTPClient.php:259 Stack trace: #0 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/HTTP/DokuHTTPClient.php(73): dokuwiki\HTTP\HTTPClient->sendRequest() #1 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/FeedParserFile.php(34): dokuwiki\HTTP\DokuHTTPClient->sendRequest() #2 [internal function]: dokuwiki\FeedParserFile->__construct() #3 /var/www/legtux.org/users/ingenieursengages/www/wiki/vendor/simplepie/simplepie/library/SimplePie/Registry.php(183): ReflectionClass->newInstanceArgs() #4 /var/www/legtux.org/users/ingenieursengages/www/wiki/vendor/simplepie/simplepie/library/SimplePie.php(1631): SimplePie_Registry->create() #5 /var/www/legtux.org/users/ingenieursengages/www/wiki/vendor/simplepie/simplepie/library/SimplePie.php(1381): SimplePie->fetch_data() #6 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/parser/xhtml.php(1311): SimplePie->init() #7 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/parserutils.php(673): Doku_Renderer_xhtml->rss() #8 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/parserutils.php(142): p_render() #9 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/parserutils.php(89): p_cached_output() #10 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/Action/Export.php(77): p_wiki_xhtml() #11 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/ActionRouter.php(83): dokuwiki\Action\Export->preProcess() #12 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/ActionRouter.php(48): dokuwiki\ActionRouter->setupAction() #13 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/ActionRouter.php(60): dokuwiki\ActionRouter->__construct() #14 /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/actions.php(16): dokuwiki\ActionRouter::getInstance() #15 /var/www/legtux.org/users/ingenieursengages/www/wiki/doku.php(122): act_dispatch() #16 {main} thrown in /var/www/legtux.org/users/ingenieursengages/www/wiki/inc/HTTP/HTTPClient.php on line 259