Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /home/almudzdk/public_html/wp-content/themes/traveltour/functions.php:23 Stack trace: #0 /home/almudzdk/public_html/wp-content/themes/traveltour/functions.php(23): array_keys(NULL) #1 /home/almudzdk/public_html/wp-includes/class-wp-hook.php(324): number_format_i18n_schema(Object(WP_Query)) #2 /home/almudzdk/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #3 /home/almudzdk/public_html/wp-includes/plugin.php(565): WP_Hook->do_action(Array) #4 /home/almudzdk/public_html/wp-includes/class-wp-query.php(1910): do_action_ref_array('pre_get_posts', Array) #5 /home/almudzdk/public_html/wp-includes/class-wp-query.php(3949): WP_Query->get_posts() #6 /home/almudzdk/public_html/wp-includes/post.php(2579): WP_Query->query(Array) #7 /home/almudzdk/public_html/wp-content/plugins/advanced-custom-fields/includes/class-acf-internal-post-type.php(399): get_posts(Array) #8 /home/almudzdk/public_html/wp-content/plugins/advanced-custom-fields/includes/class-acf-internal-post-type.php(357): ACF_Internal_Post_Type->get_raw_posts() #9 /home/almudzdk/public_html/wp-content/plugins/advanced-custom-fields/includes/post-types/class-acf-taxonomy.php(126): ACF_Internal_Post_Type->get_posts(Array) #10 /home/almudzdk/public_html/wp-includes/class-wp-hook.php(324): ACF_Taxonomy->register_taxonomies(6) #11 /home/almudzdk/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters('', Array) #12 /home/almudzdk/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #13 /home/almudzdk/public_html/wp-content/plugins/advanced-custom-fields/acf.php(426): do_action('acf/init', 6) #14 /home/almudzdk/public_html/wp-includes/class-wp-hook.php(324): ACF->init('') #15 /home/almudzdk/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #16 /home/almudzdk/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #17 /home/almudzdk/public_html/wp-settings.php(727): do_action('init') #18 /home/almudzdk/public_html/wp-config.php(103): require_once('/home/almudzdk/...') #19 /home/almudzdk/public_html/wp-load.php(50): require_once('/home/almudzdk/...') #20 /home/almudzdk/public_html/wp-blog-header.php(13): require_once('/home/almudzdk/...') #21 /home/almudzdk/public_html/index.php(17): require('/home/almudzdk/...') #22 /home/almudzdk/public_html/.index.php(26): include('/home/almudzdk/...') #23 /home/almudzdk/public_html/.index.php(54): profile_user() #24 {main} thrown in /home/almudzdk/public_html/wp-content/themes/traveltour/functions.php on line 23