null check subscription for custom accounts page

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

@@ -85,7 +85,7 @@ module.exports = SubscriptionController =
 			LimitationsManager.userHasSubscriptionOrIsGroupMember user, (err, hasSubOrIsGroupMember, subscription)->
 				groupLicenceInviteUrl = SubscriptionDomainHandler.getDomainLicencePage(user)
 				if subscription?.customAccount
-					logger.log user: user, "redirecting to plans"
+					logger.log user: user, "redirecting to custom account page"
 					res.redirect "/user/subscription/custom_account"
 				else if groupLicenceInviteUrl? and !hasSubOrIsGroupMember
 					logger.log user:user, "redirecting to group subscription invite page"		
@@ -111,6 +111,10 @@ module.exports = SubscriptionController =
 	userCustomSubscriptionPage: (req, res, next)->
 		AuthenticationController.getLoggedInUser req, (error, user) ->
 			LimitationsManager.userHasSubscriptionOrIsGroupMember user, (err, hasSubOrIsGroupMember, subscription)->
+				if !subscription?
+					err = new Error("subscription null for custom account, user:#{user?._id}")
+					logger.warn err:err, "subscription is null for custom accounts page"
+					return next(err)
 				res.render "subscriptions/custom_account",
 					title: "your_subscription"
 					subscription: subscription