It shows:
URL not found
http://mywebsite.com/2012/12/name-of-blog-post/
Linked from:
http://mywebsite.com/post-sitemap.xml
http://mywebsite.com/category/blog/
http://mywebsite.com/2012/12/name-of-blog-post/If you remove "category" and "2012/12/" from the links above those URLs do exist, but just not in way.