Google calendar won't update

Sorry for making an new support ticket. But I dont get any answer and then a new is faster. See: https://premium.wpmudev.org/forums/topic/google-calendar-wont-update

Here are the Google calendars:

Blandet: https://calendar.google.com/calendar/embed?src=strandvejskirken.dk_5fgvc2pqlegeg706g421chrl8o%40group.calendar.google.com&ctz=Europe/Copenhagen
Børn & Unge: https://calendar.google.com/calendar/embed?src=strandvejskirken.dk_43sjnfhsh08plt0rd062frs6e0%40group.calendar.google.com&ctz=Europe/Copenhagen
Café 50 Plus: https://calendar.google.com/calendar/embed?src=strandvejskirken.dk_4l2f90qfnam065oo8vqv80ht7g%40group.calendar.google.com&ctz=Europe/Copenhagen
Gudstjenester: https://calendar.google.com/calendar/embed?src=strandvejskirken.dk_ros94stvbvdepgsc6sd6d0ccdo%40group.calendar.google.com&ctz=Europe/Copenhagen
Udlejning: https://calendar.google.com/calendar/embed?src=strandvejskirken.dk_ftidisf9dk2llfk8ovv5e40sss%40group.calendar.google.com&ctz=Europe/Copenhagen

If you go in here: http://strandvejskirken.dk/wp-admin/edit.php?post_type=incsub_event&page=eab_settings#eab-settings-gcal_importer
you will see all calendars are there.

Google calendar won't update. Do I need to setup an cron job or some?