Fatal error: Uncaught Error: Call to undefined function is_product() in /home/elitesourcingco/public_html/wp-content/themes/agencies-child/functions.php:4 Stack trace: #0 /home/elitesourcingco/public_html/wp-includes/class-wp-hook.php(353): hide_add_to_cart_on_single_product_page(Object(WP)) #1 /home/elitesourcingco/public_html/wp-includes/class-wp-hook.php(377): WP_Hook->apply_filters(NULL, Array) #2 /home/elitesourcingco/public_html/wp-includes/plugin.php(571): WP_Hook->do_action(Array) #3 /home/elitesourcingco/public_html/wp-includes/class-wp.php(838): do_action_ref_array('wp', Array) #4 /home/elitesourcingco/public_html/wp-includes/functions.php(1352): WP->main('') #5 /home/elitesourcingco/public_html/wp-blog-header.php(16): wp() #6 /home/elitesourcingco/public_html/index.php(17): require('/home/elitesour...') #7 {main} thrown in /home/elitesourcingco/public_html/wp-content/themes/agencies-child/functions.php on line 4