Problem with updating my add-on Straight Reward

I recently tried to update my popular add-on “Straight Reward”, but I noticed, that I cannot access the “Update add-on” window anymore.

“Straight Reward” is still listed under “Your shared items” on https://ankiweb.net/shared/mine, but if I try to update its listing, I don’t see the “Update” button anymore:

Interestingly, I do see the Update button for other add-ons though, like “Grid Fields” e.g.

There are separate logins: one for these forums, and another for Ankiweb sync and viewing your decks on Ankiweb. Maybe you are not logged in to the right account at the moment?

This might explain it: