public function updateConfiguration()
 {
     if (!$this->request->exist('scrum-title-admin')) {
         $this->response->missingScrumTitle();
         return;
     }
     $scrum_is_activated = $this->getActivatedScrum();
     $this->config_manager->updateConfiguration($this->project_id, $scrum_is_activated, $this->config_manager->kanbanIsActivatedForProject($this->project_id), $this->getScrumTitle(), $this->config_manager->getKanbanTitle($this->project_id));
     if ($scrum_is_activated) {
         $this->first_scrum_creator->createFirstScrum();
     }
     $this->response->scrumConfigurationUpdated();
 }