It seems that you are using an invalid purchase code or you were using a nulled version before.

To continue using this script on your site, you need to update your purchase code in config.php file, then contact us under "urgent" category with your FTP info so we can unlock your site, if you don't own a purchase code, you need to purchase the script to use it on this site.

Important Note:

1. Once you purcahse the script, you can contact us on: to unlock your website and keep your current data.
2. With a valid copy, you would be able to get 6 months support & help, and life time free updates.

Thanks for your understanding,

WoWonder Team, Copyright 2018