Fatal error: Uncaught Error: Call to undefined function is_product() in /home/owelwllt/aladinsparkltd.com/wp-content/plugins/booking-and-rental-manager-for-woocommerce/admin/RBFW_Hidden_Product.php:142 Stack trace: #0 /home/owelwllt/aladinsparkltd.com/wp-includes/class-wp-hook.php(341): RBFW_Hidden_Product->hide_hidden_wc_product_from_frontend(Object(WP)) #1 /home/owelwllt/aladinsparkltd.com/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array) #2 /home/owelwllt/aladinsparkltd.com/wp-includes/plugin.php(570): WP_Hook->do_action(Array) #3 /home/owelwllt/aladinsparkltd.com/wp-includes/class-wp.php(838): do_action_ref_array('wp', Array) #4 /home/owelwllt/aladinsparkltd.com/wp-includes/functions.php(1343): WP->main('') #5 /home/owelwllt/aladinsparkltd.com/wp-blog-header.php(16): wp() #6 /home/owelwllt/aladinsparkltd.com/index.php(17): require('/home/owelwllt/...') #7 {main} thrown in /home/owelwllt/aladinsparkltd.com/wp-content/plugins/booking-and-rental-manager-for-woocommerce/admin/RBFW_Hidden_Product.php on line 142