Some common issues you might run into when installing a WordPress theme are the “Broken Themes…” and “Stylesheet Missing…” error messages. This does not mean the theme you are using is broken or does not work, it means the theme has been uploaded incorrectly. Thankfully, Envato has a nice post about this information. Please see the link below to solve these two issues.
Click Here To View The Envato Help Page For These Two Errors