Warning: The actual loaded translation content contains mixed textdomains and is not pure translateable within one textdomain

If I am correct (I am not familiar with the plugin itself) it actualy means that you have/use more then one text-domain in your function(s) or theme template(s) as in (just an example): _e( ‘Your Ad here’, ‘my-text-domain’ ) / _e( ‘Your Ad here’, ‘your-text-domain’ ) You should always use one text-domain for your functions … Read more

WordPress theme directory naming

There is no problem with that.You can name the theme folder whatever you like and you can even name it full uppercase like TRUELOVE. As long as it’s ok with wordpress ,themeforest won’t care.