Can Anyone help me with this

I recently switched over from a normal switch to an OLED and I assumed everything would transfer over including my event mons I had a list, Victini, Ash's Dracovish, Ash's Dragonite, Ash's Gengar, Ash's Sirfetche'd, and Ash's Lucario. Is there ANYWAY I CAN GET THESE ANY HELPT AT ALL IS APPRECIATED I DONT KNOW WHY THEY DIDNT TRANSFER PLEASE HELP