ERROR ITMS-9000 (again)

Ok, I'm stumped. I see other have had this issue but, nothing seems to fix this. This isn't my first book on itunes, and I didn't have this problem last time. I'm exporting from Indesign CS6. Here is my error:

Error Messages:

Apple's web service operation was not successful

Unable to authenticate the package: 0001584010119.itmsp

ERROR ITMS-9000: "Emotional_Hangovers.epub: OEBPS/content.opf(11): element "metadata" incomplete; missing required element "dc:title"" at Book (MZItmspBookPackage)