The workshop subforum here can help. That is where people post advice, experience, and questions regarding enook creation. (As a newcomer you may not have been aware of it yet, but now you know for the future.
A moderator can move your post to the appropriate section where people will see it.)
Also, consider using an editor like
http://calibre-ebook.com (converter/library manager contains editor as well) which can check for and usually fix a variety of errors.
Your ebook seems to be missing a title (first error).
Also, can you post some of the other problem files? The other errors are saying something about comments in that file, what is up with that?
Oh, and welcome to MobileRead.