Fatal error: Uncaught Error: Call to undefined function YoastSEO() in /var/sites/c/critictoo.com/public_html/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option-titles.php:273 Stack trace: #0 /var/sites/c/critictoo.com/public_html/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option.php(509): WPSEO_Option_Titles->enrich_defaults() #1 /var/sites/c/critictoo.com/public_html/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option.php(823): WPSEO_Option->get_defaults() #2 /var/sites/c/critictoo.com/public_html/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option.php(547): WPSEO_Option->array_filter_merge(Array) #3 /var/sites/c/critictoo.com/public_html/wp-includes/class-wp-hook.php(289): WPSEO_Option->get_option(Array) #4 /var/sites/c/critictoo.com/public_html/wp-includes/plugin.php(206): WP_Hook->apply_filters(Array, Array) #5 /var/sites/c/critictoo.com/public_html/wp-includes/option.php(178): apply_filters('option_wpseo_ti...', Array, 'wpseo_titles') #6 /var/sites/c/critictoo.com/pu in /var/sites/c/critictoo.com/public_html/wp-content/plugins/wordpress-seo/inc/options/class-wpseo-option-titles.php on line 273