I didn't have any trouble getting GPE Calendar configured to pull from Google Calendar -- in terms of errors resulting from missing libraries, however I can't seem to get it to actually *retrieve* the data from Google Calendar (I read a few posts elsewhere that you need to specify the iCal (.ics) url link from Google Calendar, which I did, however no entries ever appear on my GPE Calendar (and I don't get any complaints from the software telling me the link or login is invalid).

Can anyone address this issue definitively?