Fatal error: Uncaught Error: Attempt to assign property "queries" on null in /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-content/plugins/prdctfltr/includes/pf-frontend.php:1249
Stack trace:
#0 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/class-wp-hook.php(324): XforWC_Product_Filters_Frontend::prdctfltr_wc_tax(Object(WP_Query), Object(WC_Query))
#1 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#2 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#3 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-content/plugins/woocommerce/includes/class-wc-query.php(545): do_action('woocommerce_pro...', Object(WP_Query), Object(WC_Query))
#4 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-content/plugins/woocommerce/includes/class-wc-query.php(422): WC_Query->product_query(Object(WP_Query))
#5 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/class-wp-hook.php(324): WC_Query->pre_get_posts(Object(WP_Query))
#6 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array)
#7 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/plugin.php(565): WP_Hook->do_action(Array)
#8 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/class-wp-query.php(1881): do_action_ref_array('pre_get_posts', Array)
#9 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/class-wp-query.php(3852): WP_Query->get_posts()
#10 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/class-wp.php(696): WP_Query->query(Array)
#11 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/class-wp.php(816): WP->query_posts()
#12 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-includes/functions.php(1336): WP->main('')
#13 /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-blog-header.php(16): wp()
#14 /customers/2/a/6/fotopaulmartens.nl/httpd.www/index.php(17): require('/customers/2/a/...')
#15 {main}
  thrown in /customers/2/a/6/fotopaulmartens.nl/httpd.www/wp-content/plugins/prdctfltr/includes/pf-frontend.php on line 1249