The hosted runner: GitHub Actions 8 lost communication with the server. Anything in your workflow that terminates the runner process, starves it for CPU/Memory, or blocks its network access can cause this error.

Non-nullable property 'AlertName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'SiteUri' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'SiteName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'UserName' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'UserEmail' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Alerts' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Name' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Email' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'ConfirmationToken' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.