In regards to the message which states "Role expired 30/06/2019" this is due to the rollover between seasons, team roles ended on the 30th June for last season and then new roles activate once the club has affiliated providing the individual intended to administrate the team via. Full Time was left in the affiliation form as a Manager, Coach or Assistant Manager. If you were not named as Manager/Coach./Asst. then you will need to be added in as a "Team Secretary" by your club under the "Team Officials Tab" on WGS.
You can then login again once your role has been activated and your club are affiliated.