Idk what I have to do now.
I don't have any Side quests and I can't make a main quest (or I don't know how?)
not sure if you haven't read the part that says "(In the next version of the game)"
well if you haven't finished the Secret Sidequest, do that. or complete Remem'beer or shop affinities or grind gold and materials for future use.
just go to the king, you will loose as you are meant to. then you'll get a new main quest and side quest.