Board Thread:Support Requests - Getting Technical/@comment-38408904-20190318001801/@comment-168424-20190322003650

You might want to add a link somewhere in the Template:Forumheader with code like this: [ Click here to add a new comment section]

This link will put the user in edit mode and add a new section.

Otherwise, you're seeing the drawback of wikitext-style forums... there is no UI to add replies.