Fatal Error message when viewing help of MEM2

Hello everyone, Hope your having a terrific day.

Im sending this request because i am receiving a fatal error message when viewing the help/network wide protection in membership 2 options.

Fatal error: Call to undefined function __x() in /home/ecyp/public_html/wp-content/plugins/membership/app/view/class-ms-view-help.php on line 1546