Can't subscribe to Google Calendar "Holidays in Netherlands"

🍱 Features & apps 📆 Calendar
1

I can subscribe tot several Public Google Calendars, but trying to subscribe to “Holidays in Netherlands” gives the error “Error saving WebCal-calendar”.

I haven’t any clue for it.

WebCal link:
https: // calendar.google.com/calendar/ical/en.dutch%23holiday%40group.v.calendar.google.com/public/basic.ics
(without spaces in the beginning)