All PS5 trophies blocked/locked

brought Diablo IV for PS5, installed the game, connected my battle.net account to PlayStation Network played a few hours. Now looking at my trophy list, all trophies have a lock symbol on the trophy icon. Looked up some forum-topics, some advices were to create a net battle.net account and match the new account to the PS5. But disconnecting the long time battle.net account with PSN has a one year cooldown to connect a new account to PSN? wft! ps. i’m not cross-platforming, i dont have or play the game on PC or other console (like PS4).
Why are my trophies locked and how to unlock them?