Fatal error in the log file

Hello

I′m using your plugin only for the XML-feed for the Google Merchant Center. That works well.
The rest of the functions are not enabled.

In the WooCommerce – Status – Log section I can see quite a lot fatal errors coming from the CusRev plugin:

2021-12-15T07:51:33+00:00 CRITICAL Uncaught Error: Call to a member function get_review_count() on string in /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/woocommerce/templates/single-product-reviews.php:31
Stack trace:
#0 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/comment-template.php(1554): require()
#1 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/customer-reviews-woocommerce/ivole.php(94): comments_template()
#2 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/customer-reviews-woocommerce/ivole.php(86): ivole_return_comment_form()
#3 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/shortcodes.php(356): ivole_reviews_shortcode()
#4 [internal function]: do_shortcode_tag()
#5 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/shortcodes.php(228): preg_replace_callback()
#6 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/oxygen/component-framework/components/layouts/shortcode.php(95): do_ in /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/woocommerce/templates/single-product-reviews.php in Zeile 31

2021-12-15T07:52:25+00:00 CRITICAL Uncaught Error: Call to a member function get_review_count() on string in /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/woocommerce/templates/single-product-reviews.php:31
Stack trace:
#0 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/comment-template.php(1554): require()
#1 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/customer-reviews-woocommerce/ivole.php(94): comments_template()
#2 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/customer-reviews-woocommerce/ivole.php(86): ivole_return_comment_form()
#3 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/shortcodes.php(356): ivole_reviews_shortcode()
#4 [internal function]: do_shortcode_tag()
#5 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/shortcodes.php(228): preg_replace_callback()
#6 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/oxygen/component-framework/components/layouts/shortcode.php(95): do_ in /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/woocommerce/templates/single-product-reviews.php in Zeile 31

2021-12-15T10:17:27+00:00 CRITICAL Uncaught Error: Call to a member function get_review_count() on string in /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/woocommerce/templates/single-product-reviews.php:31
Stack trace:
#0 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/comment-template.php(1554): require()
#1 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/customer-reviews-woocommerce/ivole.php(94): comments_template()
#2 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/customer-reviews-woocommerce/ivole.php(86): ivole_return_comment_form()
#3 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/shortcodes.php(356): ivole_reviews_shortcode()
#4 [internal function]: do_shortcode_tag()
#5 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/shortcodes.php(228): preg_replace_callback()
#6 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/oxygen/component-framework/components/layouts/shortcode.php(95): do_ in /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/woocommerce/templates/single-product-reviews.php in Zeile 31

2021-12-15T10:17:49+00:00 CRITICAL Uncaught Error: Call to a member function get_review_count() on string in /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/woocommerce/templates/single-product-reviews.php:31
Stack trace:
#0 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/comment-template.php(1554): require()
#1 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/customer-reviews-woocommerce/ivole.php(94): comments_template()
#2 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/customer-reviews-woocommerce/ivole.php(86): ivole_return_comment_form()
#3 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/shortcodes.php(356): ivole_reviews_shortcode()
#4 [internal function]: do_shortcode_tag()
#5 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-includes/shortcodes.php(228): preg_replace_callback()
#6 /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/oxygen/component-framework/components/layouts/shortcode.php(95): do_ in /home/616628.cloudwaysapps.com/tvhrurhhpc/public_html/wp-content/plugins/woocommerce/templates/single-product-reviews.php in Zeile 31

Known issue?

Thanks & BR,
Michael