Gallery pages 404 after upgrade

I’ve upgraded to Sunshine 3 (the regeneration of images still runs), and most things seems to work and look good, but all gallery pages return 404. The main gallery page loads well, but when selecting a gallery you’ll get a 404.

It doesn’t matter if i use the new url pattern (ie: or the old url, that gets redirected (ie:

The page I need help with: [log in to see the link]


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