External calendar is not displayed

[antontranelis]

I added an external calendar but nothing happens.

URL: https://www.der-mond.de/ical/calendar.ics

[punkyard]

same for me
this module is perfect for me, but i can't manage to have it to work and sync :/

[punkyard]

for me it only works with the subscription link (with export command - it's a nextcloud calendar):

https://domain.net/remote.php/dav/public-calendars/12345abc?export

[punkyard]

.. well, apparently, not all the time :/
all my links work in my phone, but not all of them in humhub .. humhum