User blog comment:He Niice/Terraria Master At ur service/@comment-7697305-20130420184839/@comment-4674838-20130421010123

In this case, the reason it failed is not because of user permissions, but because of the wrong input. The warning message is definitely misleading though.

When you select "User blog" from the dropdown and type "Zapinator" into the textbox, it would attempt to move the page to User blog:Zapinator -- which won't work because 1) there is no user named "Zapinator" and 2) you have to specify both the username and the title.

What you actually have to do to move a page to a user's blog is type "USERNAME/TITLE" into the text box. E.g. if you were to type in "He_Niice/Terraria_Master_At_ur_service" into the text box, it would successfully move the page to User_blog:He_Niice/Terraria_Master_At_ur_service.

Note: you cannot edit other people's blog posts. So once you move a page INTO the User blog: namespace, you won't be able to edit or move it again (unless it's your own blog, or you're an admin).