Google can't find feed url's

I have 12K listings and google webmaster tools says it has over 11,983 URL errors

Here is an example of what it is telling me:

listing/ms-lee-vincent-mba/feed/ 404 11/5/14 70
listing/ms-darla-blake/feed/ 404 11/19/14 71
listing/mr-greg-gatin/feed/ 404 11/7/14 72
listing/traci-manalani/feed/ 404 11/19/14 73

No idea how to fix this and I would assume this is killing my ranking.

Anyone have an ideas?

Thanks in advance.