New Admission Email Setup Issues

I am running into the following error message anytime i attempt to activate my HU email address.

I have tried sending emails and calling the help desk number to no avail. Any idea what needs to be done to resolve this?

UTC Date: 2023-03-07T19:07:51.xxxxx
Client Id: xxxxxxxxxxxx
Session Id: xxxxxxxxxxxxxxxxxx
Client Version: 2023xxxxxx.07
BootResult: configuration
Back Filled Errors: None
err: Microsoft.Exchange.Clients.Owa2.Server.Core.OwaUserHasNoMailboxAndNoLicenseAssignedException
esrc: StartupData
et: ServerError
estack: Error: 500
at f (httpsoutlook.office365.xxx/mail/:2:xxxxx)
at httpsoutlook.office365.xxxmail/:2:xxxxxx
st: 500
ehk: X-OWA-Error
efe: xxxxx, xxxxxx
ebe: xxxxx
emsg: UserHasNoMailboxAndNoLicenseAssignedError