That is correct. Support topics are here in the community. If they need to be transferred to a ticket, we can do that of course.
We cannot assist you with your server. If you have no server admin, that is indeed going to cause you issues. As mentioned, you would need to respond to the email support item which was sent to you. The reality is however, we are unable to assist if you are unable to run to the point you are having an issue. It does however seem your upgrade is in process there, so we can take a look at that point. You would need to update your access details on file for this