Warning count Parameter

Hi, I’m still debating which theme to go with, and when I saw Shopfront is recommended by Woocommerce thought I’d try it. Using xampp.
This is the error I’m getting at the top of the customizer dashboard :

Warning: count(): Parameter must be an array or an object that implements Countable in C:\xampp\htdocs\mysite\wp-content\themes\shopper\inc\shopper-functions.php on line 206

The message above appears twice at the top of the page.
I’m not willing to risk it if this is going to cause problems.
Have checked – am using latest version of everything.

Grateful for any info, will just keep looking while I’m waiting.