Okay
  Print

Stylesheets missing

error message being displayed when trying to upload or activate the theme.

A common issue that can occur with users new to installing WordPress themes is a “Broken theme and/or stylesheets missing” error

This error message does not mean that the theme you have purchased is broken, it simply means it has been uploaded incorrectly.

Find the solution in this article from the Envato Wiki: Solving Broken Theme Issues