Improved error handling.

app/models/email_address.rb

@@ -28,14 +28,14 @@ check and if channel not exists reset configured channels for email addresses
       # set to active if channel exists
       if email_address.channel_id && Channel.find_by(id: email_address.channel_id)
         if !email_address.active
-          email_address.save
+          email_address.save!
         end
         next
       end
 
       # set in inactive if channel not longer exists
       next if !email_address.active
-      email_address.save
+      email_address.save!
     }
   end
 
@@ -72,7 +72,7 @@ check and if channel not exists reset configured channels for email addresses
     group = Group.find_by(email_address_id: nil)
     group.email_address_id = id
     group.updated_by_id = updated_by_id
-    group.save
+    group.save!
   end
 
 end