HT5534: About the iWork 9.3 UpdateLearn about About the iWork 9.3 Update
Currently Being ModeratedFeb 28, 2013 5:34 AM (in response to sergeantpepper123)
Problems like you describe have been reported by users who update one part of their system but not others. If you upgrade your OS, you must Update your applications. That is the most common cause, but of course there could be others.
Please check your profile data. I doubt that you are really using OS X 10.0
Please tell us your exact OS version and Numbers version.