Laerte's dashboard

I want to do a blog post in my blog and this message shows 400 Bad Request..

Error message : (portuguese)

O servidor reportou um erro com a URL a seguir:

http://cid-c16042a4306a1328.users.api...(-4512533553670909144)/blogs('C16042A4306A1328!109')/entries

400 Bad Request

I just want to complement, I did my article direct to writer and now I LOST everthing....Even not saved in draft ..I click button, but nothing saved.