Warning: fopen() [function.fopen]: php_network_getaddresses: getaddrinfo failed: Name or service not known in /index.php on line 1224

Warning: fopen(http://media.polfactor.pl/getPR.po?tc=rss20&enc=UTF&f=982) [function.fopen]: failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in /index.php on line 1224
Error reading RSS data.