Errors in Structured Data

When I test the theme for markup data validation using Google Structured Data testing tool, I get following errors:
datePublished:
missing and required
headline:
missing and required
image:
missing and required

Here are the links to the test results:
Link To Test Results

Test Results Link 2

Hi

I’ve noticed that you’re using an older version of the theme, so please try to update it an the current version available on themeforest (V2.2) which corresponds with google standards regarding the data structure demo

Let us know how it goes.

Thanks!