In reply to Donotello:
I get that problem quite a lot as well. Normally you can't click them until you've zoomed in sufficiently for the background orange dots to be replaced by larger clickable icons. But sometimes, the background dots disappear, but the larger icons fail to appear.
The same happens on the UKH equivalent https://www.ukhillwalking.com/logbook/map/ but there the clickable icons for the hills never appear, though icons do appear for climbing crags.