[Plugin: Meetup Feed2Post] Stopped working

I installed the plugin and after a few feeds came over from Meetup it stopped working for any additional meetup items. If I go to the settings page and update the feed entry I get a page of errors:

Warning: SimpleXMLElement::__construct() [simplexmlelement.--construct]: URL file-access is disabled in the server configuration in /homepages/.../wp-content/plugins/meetup-feed2post/meetup_feed2post.php on line 105

Warning: SimpleXMLElement::__construct(http://www.meetup.com/dfwaug/calendar/rss/DFWAUG+-+Dallas-Ft.+Worth+Adobe+Users+Group/) [simplexmlelement.--construct]: failed to open stream: no suitable wrapper could be found in /homepages/.../wp-content/plugins/meetup-feed2post/meetup_feed2post.php on line 105

Warning: SimpleXMLElement::__construct() [simplexmlelement.--construct]: I/O warning : failed to load external entity "http://www.meetup.com/dfwaug/calendar/rss/DFWAUG+-+Dallas-Ft.+Worth+Adobe+Users+Group/" in /homepages/.../wp-content/plugins/meetup-feed2post/meetup_feed2post.php on line 105

Fatal error: Uncaught exception 'Exception' with message 'String could not be parsed as XML' in /homepages/.../wp-content/plugins/meetup-feed2post/meetup_feed2post.php:105 Stack trace: #0 /homepages/.../wp-content/plugins/meetup-feed2post/meetup_feed2post.php(105): SimpleXMLElement->__construct('http://www.meet...', 0, true) #1 /homepages/.../wp-content/plugins/meetup-feed2post/meetup_feed2post.php(68): meetup_insert_function() #2 [internal function]: meetup_admin('') #3 /homepages/.../wp-includes/plugin.php(395): call_user_func_array('meetup_admin', Array) #4 /homepages/.../wp-admin/admin.php(138): do_action('settings_page_m...') #5 /homepages/.../wp-admin/options-general.php(10): require_once('/homepages/36/d...') #6 {main} thrown in /homepages/.../wp-content/plugins/meetup-feed2post/meetup_feed2post.php on line 105

What happened?

http://ww.wp.xz.cn/extend/plugins/meetup-feed2post/