Fatal error: Uncaught Error: Call to undefined function add_action() in /home/cs11497/shizuoka-shun.jp/htdocs/contents/wp-content/themes/biz-vektor/plugins/extra_module/adminBarCustom.php:189 Stack trace: #0 /home/cs11497/shizuoka-shun.jp/htdocs/contents/wp-content/themes/biz-vektor/plugins/extra_module/extra_module.php(10): require() #1 {main} thrown in /home/cs11497/shizuoka-shun.jp/htdocs/contents/wp-content/themes/biz-vektor/plugins/extra_module/adminBarCustom.php on line 189