[Emergency] Uncaught Error: Call to undefined method SilverStripe\Security\Member::currentUser()

GET /register

Line 178 in /container/application/public/_site/app/src/PageController.php

Source

169             return $freturn;
170         }
171 
172         public function getGoogleMapKey() {
173             $API = 'AIzaSyCR6r3z69uIVzrStl5KN9JtheclPtgbtjM';
174             return $API;
175         }
176 
177         public function loggedIn() {
178             $member = Member::currentUser();
179             if ($member) {
180                 return true;
181             }
182         }
183     }

Trace