Update customers_controller.rb

app/controllers/customers_controller.rb

@@ -106,8 +106,9 @@ class CustomersController < ApplicationController
   # Customer view for an issue
   def view
     @token = CustomerToken.where("token = ? and expires_at > ?", params[:token], Time.now)
-    if @token.first
-      @issue = Issue.find @token.first.issue_id
+    @token = @token.first
+    if @token
+      @issue = Issue.find @token.issue_id
       @journals = @issue.journals.
                   preload(:details).
                   preload(:user => :email_address).