Error: Unable to find the reviews on this page

Accidentally plugin stopped to work.
My yelp page is: https://www.yelp.com/biz/bloom-gallery-flowers-san-francisco

When I click save and download I see:
Error: Unable to find the reviews on this page. Please contact support.

Warning: Invalid argument supplied for foreach() in /opt/bitnami/apps/wordpress/htdocs/wp-content/plugins/wp-yelp-review-slider/admin/class-wp-yelp-review-slider-admin.php on line 1085

Notice: Undefined index: reviews in /opt/bitnami/apps/wordpress/htdocs/wp-content/plugins/wp-yelp-review-slider/admin/class-wp-yelp-review-slider-admin.php on line 1085

Warning: Invalid argument supplied for foreach() in /opt/bitnami/apps/wordpress/htdocs/wp-content/plugins/wp-yelp-review-slider/admin/class-wp-yelp-review-slider-admin.php on line 1085

The page I need help with: [log in to see the link]