Everything seems to work well, redirecting the forum to https:// via .htaccess.
When viewing as a guest, everything is fine. Got the little paddlelock and no issues to report.
When I am logged in, whether it be as an admin or a regular member, I get an error. it says that the site is partially insecure because it contains unencrypted elements (such as images).
I really don't know where to start with this.
site is https://www.truckersforum.net/forum/