User blog comment:MisterWoodhouse/The first migrations to the Unified Community Platform/@comment-46899998-20201117174001/@comment-1038387-20201117175258

This is irrelevant to this issue. As I've explained to one of your many previous blocked accounts, those pages don't exist yet. The way to fix that would be to make those pages, but that should only be done if you can fill them with actual content.