If that doesn't work:
Can you give me (super) admin and (s)ftp access so I can take a look?
You can use the 'Confidential information' button in the forum editor to hide sensitive information.
Something wrong with your domain / server setup. The browser error console shows:
The Cross-Origin-Opener-Policy header has been ignored, because the URL's origin was untrustworthy. It was defined either in the final response or a redirect. Please deliver the response using the HTTPS protocol. You can also use the 'localhost' origin instead. See
www.w3.org/TR/powerful-features/#potentially-trustworthy-origin
and html.spec.whatwg.org/#the-cross-origin-opener-policy-header .