Error message

• Warning: simplexml_load_file() [function.simplexml-load-file]: php_network_getaddresses: getaddrinfo failed: Name or service not known in youtube_pull_render() (line 46 of /home1/powderh1/public_html/sites/all/modules/youtube_pull/youtube_pull.module).
• Warning: simplexml_load_file(http://gdata.youtube.com/feeds/api/videos?author=skipowderhorn&max-results=10&keywords=) [function.simplexml-load-file]: failed to open stream: php_network_getaddresses: getaddrinfo failed: Name or service not known in youtube_pull_render() (line 46 of /home1/powderh1/public_html/sites/all/modules/youtube_pull/youtube_pull.module).
• Warning: simplexml_load_file() [function.simplexml-load-file]: I/O warning : failed to load external entity "http://gdata.youtube.com/feeds/api/videos?author=skipowderhorn&max-results=10&keywords=" in youtube_pull_render() (line 46 of /home1/powderh1/public_html/sites/all/modules/youtube_pull/youtube_pull.module).
• Notice: Trying to get property of non-object in youtube_pull_render() (line 49 of /home1/powderh1/public_html/sites/all/modules/youtube_pull/youtube_pull.module).
• Warning: Invalid argument supplied for foreach() in youtube_pull_render() (line 49 of /home1/powderh1/public_html/sites/all/modules/youtube_pull/youtube_pull.module).