Hello, @Martine,
Please share your site WP-ADMIN Login details in the below-listed format in the private content area so that we’ll check and assist you accordingly.
WP Admin URL:
WP Admin Username:
WP Admin Password:
Kindly please take the complete backup of your site, first.
And I also need your permission to debug your site, which includes deactivating all the third-party plugins and on-site Customization as well.
Note: Please let us know the font type you want to set so that I will set this on your site.
Regards 8Themes Team.