[Plugin: Google Calendar Feed Parser] Big errors on install

I installed this, apparently without problem, linked up my calendar and placed it in a widget using the Sniplets plugin. And got these errors (see below). I have no idea what this is about. Any suggestions?

Warning: SimpleXMLElement::__construct() [simplexmlelement.–construct]: Entity: line 1: parser error : Start tag expected, ‘<‘ not found in /home/codename/public_html/wp-content/plugins/google-calendar-feed-parser/gcalparse.php on line 104

Warning: SimpleXMLElement::__construct() [simplexmlelement.–construct]: Unknown projection:full&max-results=10 in /home/codename/public_html/wp-content/plugins/google-calendar-feed-parser/gcalparse.php on line 104

Warning: SimpleXMLElement::__construct() [simplexmlelement.–construct]: ^ in /home/codename/public_html/wp-content/plugins/google-calendar-feed-parser/gcalparse.php on line 104

Fatal error: Uncaught exception ‘Exception’ with message ‘String could not be parsed as XML’ in /home/codename/public_html/wp-content/plugins/google-calendar-feed-parser/gcalparse.php:104 Stack trace: #0 /home/codename/public_html/wp-content/plugins/google-calendar-feed-parser/gcalparse.php(104): SimpleXMLElement->__construct(‘Unknown project…’) #1 /home/codename/public_html/wp-content/plugins/sniplets/modules/execute.php(10) : eval()’d code(1): gcal_parse_feed() #2 /home/codename/public_html/wp-content/plugins/sniplets/modules/execute.php(10): eval() #3 /home/codename/public_html/wp-content/plugins/sniplets/model/sniplets_class.php(331): include(‘/home/codename/…’) #4 /home/codename/public_html/wp-content/plugins/sniplets/sniplets.php(557): Snip->process(NULL, ”) #5 /home/codename/public_html/wp-content/plugins/sniplets/sniplets.php(655): Sniplets->get_display(Array, ‘manual’) #6 /home/codename/public_html/wp-includes/plugin.php(339): Sniplets->the_sniplet(‘Events’) #7 /home/codename/public_html/wp-content/plugins/s in /home/codename/public_html/wp-content/plugins/google-calendar-feed-parser/gcalparse.php on line 104