i need help.I moved my opencart web source from local to my domain (camera slider error showing on home page)

Every thing was perfect in local server ,but when i shifted website source from local to my domain hosting .showing error
on front page
2019-09-12 22:45:19 - PHP Warning: count(): Parameter must be an array or an object that implements Countable in /home/../public_html/catalog/model/slider/camera_slider.php on line 11
i am using opencart 2.3.02
using fastor theme
need help.

https://themeforest.net/item/fastor-mul ... e/13611044

Or post in Comercial section.