Fatal error: Uncaught Error: Call to undefined function add_action() in /home/users/1/upper.jp-statice/web/kamiki/home/wp-content/plugins/backwpup/vendor/guzzle/guzzle/src/Guzzle/Service/Command/LocationVisitor/Request/top.php:9 Stack trace: #0 /home/users/1/upper.jp-statice/web/kamiki/wp-load.php(1): include_once() #1 /home/users/1/upper.jp-statice/web/kamiki/wp-blog-header.php(13): require_once('/home/users/1/u...') #2 /home/users/1/upper.jp-statice/web/kamiki/index.php(3): require('/home/users/1/u...') #3 {main} thrown in /home/users/1/upper.jp-statice/web/kamiki/home/wp-content/plugins/backwpup/vendor/guzzle/guzzle/src/Guzzle/Service/Command/LocationVisitor/Request/top.php on line 9