Fatal error: Uncaught Error: Call to undefined function is_product() in /var/www/wp-content/plugins/woocommerce-improved-external-products/wc-improved-external-products.php:191
Stack trace:
#0 /var/www/wp-includes/class-wp-hook.php(292): ImprovedExternalProducts->add_js_to_footer('')
#1 /var/www/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array)
#2 /var/www/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#3 /var/www/wp-includes/general-template.php(3025): do_action('wp_footer')
#4 /var/www/wp-content/themes/salient/footer.php(59): wp_footer()
#5 /var/www/wp-includes/template.php(730): require_once('/var/www/wp-con...')
#6 /var/www/wp-includes/template.php(676): load_template('/var/www/wp-con...', true, Array)
#7 /var/www/wp-includes/general-template.php(92): locate_template(Array, true, true, Array)
#8 /var/www/wp-content/themes/salient/page.php(45): get_footer()
#9 /var/www/wp-includes/template-loader.php(106): include('/var/www/wp-con...')
#10 /var/www/wp-blog-header.php(19): require_once('/v in /var/www/wp-content/plugins/woocommerce-improved-external-products/wc-improved-external-products.php on line 191
