Fatal error: Uncaught Error: Call to undefined function WishListMember\Features\wishlistmember_instance() in /home/stor2162/public_html/wp-content/plugins/wishlist-member/features/member-action-button/class-member-action-button.php:29 Stack trace: #0 /home/stor2162/public_html/wp-content/plugins/wishlist-member/features/member-action-button/main.php(11): WishListMember\Features\Member_Action_Button->__construct() #1 {main} thrown in /home/stor2162/public_html/wp-content/plugins/wishlist-member/features/member-action-button/class-member-action-button.php on line 29