User blog comment:Rokudo-kun/Editing Problems/@comment-10145707-20131023062541

I tried too but couldn't do it. Sorry!

"You do not have permission to move this page, for the following reason: The page could not be moved: a page of that name already exists, or the name you have chosen is not valid. Please choose another name, or ask an administrator to help you with the move. Please do not manually move the article by copying and pasting it; the page history must be moved along with the article text."

This is what I got.