Fatal error: Uncaught Error: Call to undefined function add_action() in /export/sd206/www/jp/r/e/gmoserver/7/8/sd0814478/vectorfield.net/wordpress-4.2.2-ja-jetpack-undernavicontrol/wp-includes/default-filters.php:373 Stack trace: #0 /export/sd206/www/jp/r/e/gmoserver/7/8/sd0814478/vectorfield.net/wordpress-4.2.2-ja-jetpack-undernavicontrol/wp-settings.php(150): require() #1 /export/sd206/www/jp/r/e/gmoserver/7/8/sd0814478/vectorfield.net/wordpress-4.2.2-ja-jetpack-undernavicontrol/wp-config.php(96): require_once('/export/sd206/w...') #2 /export/sd206/www/jp/r/e/gmoserver/7/8/sd0814478/vectorfield.net/wordpress-4.2.2-ja-jetpack-undernavicontrol/wp-load.php(50): require_once('/export/sd206/w...') #3 /export/sd206/www/jp/r/e/gmoserver/7/8/sd0814478/vectorfield.net/wordpress-4.2.2-ja-jetpack-undernavicontrol/wp-blog-header.php(13): require_once('/export/sd206/w...') #4 /export/sd206/www/jp/r/e/gmoserver/7/8/sd0814478/vectorfield.net/index.php(17): require('/export/sd206/w...') #5 {main} thrown in /export/sd206/www/jp/r/e/gmoserver/7/8/sd0814478/vectorfield.net/wordpress-4.2.2-ja-jetpack-undernavicontrol/wp-includes/default-filters.php on line 373