can't reply to replies on my own post

Hey all, I created a question the other day (and I am so sorry if this is a silly question) but I can't reply to replies to my question, so I can't update people. The example is as follows

This reply button actually directs me to this window

Which, when I post, creates this

Instead of replying to the reply, I create a whole new reply to, my own question.

Is this a case of visual bugs where I have actually replied to the reply? Or is this broken, because from what I've seen in other forums, replies are indented and bordered almost, so it seems as if it is not replying to the reply, but replying to the original question.

Thank you for your amazing support - here is the link to the forum post https://community.adobe.com/t5/premiere-pro-bugs/changing-effects-using-effect-controls-messes-with-playback-window/idc-p/15062922