OTA update issues on nabi jr

When I try to click on App Zone it will not let me into it. A screen pops up saying the following

OTA UPDATE REQUIRED

In order to provide you with a better purchasing experience we recently updated our payment system in App Zone. You will need to perform an OTA update to use App Zone

When I click update it says there are no updated available. The product version says 1.0.3-release keys