Fatal error: Uncaught Error: Call to undefined function Members\add_action() in C:\xampp\htdocs\wp-content\plugins\members\admin\class-review-prompt.php:11 Stack trace: #0 C:\xampp\htdocs\wp-content\plugins\members\admin\class-review-prompt.php(143): Members\ReviewPrompt->__construct() #1 {main} thrown in C:\xampp\htdocs\wp-content\plugins\members\admin\class-review-prompt.php on line 11