Frontent account no saving

Hi,
when I am logged in as a user, I can see all my information, but when I click save, the changes are not saved.

I also tried it with a “normal” theme, same problem.

To change some images in the frontend isn’t possible as well.

https://probetraining.ch/account/
wp 5.9

regards
Nicolas

• This topic was modified 2 years, 9 months ago by baechtold75.
• This topic was modified 2 years, 9 months ago by baechtold75.

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