added null check on subscription for group plans

services/web/app/coffee/Features/Subscription/SubscriptionController.coffee

@@ -92,7 +92,7 @@ module.exports = SubscriptionController =
 						plans = SubscriptionViewModelBuilder.buildViewModel()
 						res.render "subscriptions/dashboard",
 							title: "your_subscription"
-							recomendedCurrency: subscription.currency
+							recomendedCurrency: subscription?.currency
 							plans: plans
 							subscription: subscription
 							groups: groups