[Theme Horse Support Team]

Hi minmoko,

We have already fixed this issues on version 2.0.2, We don’t think that there is deprecated issues in version 3.0.2. As we have tested in our local server too with no issues.
You just do one thing.
Go to theme folder-> inc -> widgets-> interface_widgets.php on line no 131, 201, 310,380, 529,697 remove that all function with this functions function __construct()

For example:-

function interface_featured_image_widget(){
// your code
}

remove above functions with this functions

function __construct(){
//your code
}

After doing it whether your problems solves or not let us know. If you face the same issues please upload your theme at server and Email Us your temporary username and password. We will look over it.

Thank you!