[REJECTED] Cristal Fury quest don't proc "The Riverman Tribe" achiv

[Gruden22]

WoW Freakz link: https://www.wow-freakz.com/quest_helper.php?quest=39487&&name=crystal-fury
Bug description: This quest should proc the "THe riverman tribe" achivmenet for "Ain't no mountain high enough" . I used the script " /run local questID = 00000; isComplete=IsQuestFlaggedCompleted(questID); if (isComplete == true) then print("Quest" , questID, "is completed. ") else print("Quest" , questID, "is NOT completed. Check again") end; " the quest is completed and all before him, but i still don't get the achiv.
Proof: https://imgur.com/a/q2wHwVh
Name account: Gruden