First of all, i don't really know how to explain it because i don't use english as my language,
So my blog is showing 2 error when i run structured data testing tools
1st in Wpheader "(The property logo is not recognized by Google for an object of type WPHeader.)"
2nd is in blogposting "A value for the author field is required."
Please everyone take a look at the problem, and help me, i really appreciated it if someone wants to help me, because i'm a newbie,