The Season 2 finale of Strange New Worlds finally introduces the audience to a full-grown Gorn warrior who gets in a fight with Spock and Chapel. While "Hegemony" is a thrilling episode, it does create a Star Trek continuity problem. According to Star Trek: The Original Series, the first contact between the Gorn and the Federation came nearly a decade after these events.
Source:https://www.cbr.com/spock-strange-new-worlds-continuity-error/