Plugin not working with WooCommerce 3.7.1

[flourish-consulting]

Hi

Have upgraded WooCommerce this evening which is generating the below fatal error in the logs:

2019-10-21T20:51:17+00:00 CRITICAL Uncaught Error: Call to a member function get_queried_object() on null in /home/196789.cloudwaysapps.com/dhgmwvmbky/public_html/wp-includes/query.php:44
Stack trace:
#0 /home/196789.cloudwaysapps.com/dhgmwvmbky/public_html/wp-content/plugins/wc-category-locker/frontend.php(52): get_queried_object()
#1 /home/196789.cloudwaysapps.com/dhgmwvmbky/public_html/wp-includes/class-wp-hook.php(286): WC_Category_Locker_Frontend->password(Object(WP_Query))
#2 /home/196789.cloudwaysapps.com/dhgmwvmbky/public_html/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array)
#3 /home/196789.cloudwaysapps.com/dhgmwvmbky/public_html/wp-includes/plugin.php(531): WP_Hook->do_action(Array)
#4 /home/196789.cloudwaysapps.com/dhgmwvmbky/public_html/wp-includes/class-wp-query.php(1752): do_action_ref_array('pre_get_posts', Array)
#5 /home/196789.cloudwaysapps.com/dhgmwvmbky/public_html/wp-includes/class-wp-query.php(3403): WP_Query->get_posts()
#6 /home/196789.cloudwaysapps.com/dhgmwvmbky/public_html/wp-includes/post.php(19 in /home/196789.cloudwaysapps.com/dhgmwvmbky/public_html/wp-includes/query.php on line 44

Thanks,
Ash