Protect Content error in simulation mode

Hi
I see the below error when testing my default membership for visitors.

Fatal error: Call to a member function get_subscription() on a non-object in /home/content/87/11283687/html/portal/wp-content/plugins/protected-content/app/view/membership/overview/class-ms-view-membership-overview-simple.php on line 257

Support access is available if needed.

Thanks
Shireen