Message comes up in chat. The message in Chat references the quest title of Victory in Lake Wintergrasp, but it's called Victory in Wintergrasp. Shows the below error.

(https://www.wowhead.com/wotlk/quest=13181/victory-in-wintergrasp#:~:text=Win%20a%20Wintergrasp%20battleground%20match,be%20credited%20for%20the%20victory.)

Screenshots

WOTLK & 7.2.4

Thanks @Jorvanus fixed in 23dd8ba and will be in the next release!