You should have theme engine to use this theme. If you don't have then this theme won't work. So make sure you have installed the rom which has cm theme engine.
List of roms on which this theme works:
If you want me to support the rom which you are using then please try to get in touch with me via email@example.com
As always , I Kindly request you all to leave a review/rating on playstore . Report any number of bugs to my mail id firstname.lastname@example.org but don't leave a negative rating . I will fix the reported bugs asap and this theme will be frequently updated.