Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "add_my_post_types_to_query" not found or invalid function name in /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-hook.php:341 Stack trace: #0 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array) #1 /home/thcvzrpb/buyhhcuk.com/wp-includes/plugin.php(570): WP_Hook->do_action(Array) #2 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-query.php(1910): do_action_ref_array('pre_get_posts', Array) #3 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-query.php(3958): WP_Query->get_posts() #4 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-query.php(4090): WP_Query->query(Array) #5 /home/thcvzrpb/buyhhcuk.com/wp-content/plugins/wordpress-seo/inc/sitemaps/class-taxonomy-sitemap-provider.php(151): WP_Query->__construct(Array) #6 /home/thcvzrpb/buyhhcuk.com/wp-content/plugins/wordpress-seo/inc/sitemaps/class-sitemaps.php(414): WPSEO_Taxonomy_Sitemap_Provider->get_index_links(1000) #7 /home/thcvzrpb/buyhhcuk.com/wp-content/plugins/wordpress-seo/inc/sitemaps/class-sitemaps.php(366): WPSEO_Sitemaps->build_root_map() #8 /home/thcvzrpb/buyhhcuk.com/wp-content/plugins/wordpress-seo/inc/sitemaps/class-sitemaps.php(279): WPSEO_Sitemaps->build_sitemap('1') #9 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-hook.php(341): WPSEO_Sitemaps->redirect(Object(WP_Query)) #10 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters('', Array) #11 /home/thcvzrpb/buyhhcuk.com/wp-includes/plugin.php(570): WP_Hook->do_action(Array) #12 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-query.php(1910): do_action_ref_array('pre_get_posts', Array) #13 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-query.php(3958): WP_Query->get_posts() #14 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp.php(704): WP_Query->query(Array) #15 /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp.php(824): WP->query_posts() #16 /home/thcvzrpb/buyhhcuk.com/wp-includes/functions.php(1343): WP->main('') #17 /home/thcvzrpb/buyhhcuk.com/wp-blog-header.php(16): wp() #18 /home/thcvzrpb/buyhhcuk.com/index.php(17): require('/home/thcvzrpb/...') #19 {main} thrown in /home/thcvzrpb/buyhhcuk.com/wp-includes/class-wp-hook.php on line 341