Fatal error: Uncaught Error: Call to undefined function wp_doing_ajax() in /home/tribunap/public_html/wp-content/plugins/wordpress-seo/wp-seo-main.php:308 Stack trace: #0 /home/tribunap/public_html/wp-includes/plugin.php(525): wpseo_init('') #1 /home/tribunap/public_html/wp-settings.php(281): do_action('plugins_loaded') #2 /home/tribunap/public_html/wp-config.php(100): require_once('/home/tribunap/...') #3 /home/tribunap/public_html/wp-load.php(37): require_once('/home/tribunap/...') #4 /home/tribunap/public_html/wp-blog-header.php(30): require_once('/home/tribunap/...') #5 /home/tribunap/public_html/index.php(22): require('/home/tribunap/...') #6 {main} thrown in /home/tribunap/public_html/wp-content/plugins/wordpress-seo/wp-seo-main.php on line 308