Hi Ajay,
We are really sorry to say that, our script is not compatible with the updated PHP version. that’s why, you are facing the issue. Please downgrade your server PHP version to 5.6 to get working the script at this moment.
However, we will update our script ASAP to compatible with the updated PHP version. Please wait with patience for the next update of the script. You will get notified via email when the script update will available on codecanyon.
Best Regards,
ThemeLooks Support Team