Request item is created with Guest UserIssue RITM is submitted by guest user , requested for , opened by felids are populated with Guest userReleaseAllCauseUser is filled the form and idle for 30 mins and after 30 mins user submitted the RITM from the service portal. so by the time guest user session is enabled and submitted RITM with guest user.ResolutionUser session is inactivated due to idle time out after 30 mins or what ever the instance session timeout, then the session is switched to guest user, so if the user submits the order then it will submit with the guest user.