''intilaizing upload'' when ı want to upload my save in realms

when ı want to choose save in realms. ı have  ''an error occured'' mistake when the intilaizing upload screen. ı can't choose a gamesave. and ı can't refund the realms. If you have a solution about that problem please conduct me. If you haven't have any solution about this problem please find a way to refund.