on rightclick on entity:

    if entity's name is "전직관":

        open chest with 3 rows named "&6&l전직" to player

        set slot 10 of current inventory of player to iron sword named "&3&l기사"

        set slot 13 of current inventory of player to diamond sword named "&d&l마법사"

        set slot 16 of current inventory of player to wood sword named "&5&l언턴드 왕"

on inventory click:

    if inventory name of current inventory of player is "&6&l전직":

        if click type is left mouse button with shift or right mouse button with shift:

            cancel event

        else:

            if clicked raw slot is 10:

                cancel event

                if {직업.%player%} is not set:

                    close player's inventory

                    wait 1 tick

                    set {직업.%player%} to "기사"

                    player sound "ENTITY_PLAYER_LEVELUP" with volume 1 and pitch 1 at player for player

                    message "&6-----------------------------------------------------"

                    message "&f&l당신은 &7&l기사&f&l가 되었습니다!"

                    message "&6-----------------------------------------------------"

                    message " "

여기서 player sound "ENTITY_PLAYER_LEVELUP" with volume 1 and pitch 1 at player for player 이 부분이 오류걸려요ㅠㅠ

Can't understand this condition/effect: player sound "ENTITY_PLAYER_LEVELUP" with volume 1 and pitch 1 at player for player (RPG.sk, line 19: player sound "ENTITY_PLAYER_LEVELUP" with volume 1 and pitch 1 at player for player') 이런 오류요