I'm trying to activate cross save, but I'm unable to until I've authenticated my PSN, except that PSN has been shut down and I can't access it. I also can't unlink it from my Bungie account, cause I can't log in to it.
Need a way of unlinking that PSN account without having to log back in to it, before I can use cross save.
You will have to be able to log in to your accounts to prove ownership prior to linking. If you no longer have access to your PSN account we recommend reaching out to Playstation support for account recovery steps.