스크립트 2.4 beta 5 버전 사용중인데..

스크트를 실행 시키면 

Can't compare a damage cause with a types.art (death.sk, line 7: if damage cause is not void:')

Can't compare a damage cause with a types.art (death.sk, line 27: if damage cause is not void:')

이렇게 오류가 나네요.. 어떻게 해야 할까요..?

options:
    기절소생후피: 20
    기절소생범위: 2


on damage:
    if victim is player:
        if damage cause is not void:
            if health of victim - damage <= 0:
                cancel event
                set victim's health to 0.5
                if {death.list::*} contains victim:
                    stop
                else:
                    play sound "BLOCK_ANVIL_PLACE" with volume 1 and pitch 1 to victim
                    send title "&c기절함" to victim for 3 seconds
                    broadcast "&c%victim%님이 기절하셨습니다."
                    apply slowness 10 without any particles to {death.list::*} for 1 seconds
                    apply jump boost 200 without any particles to {death.list::*} for 1 seconds        
                    add victim to {death.list::*}
                    wait 10 seconds
                    if {death.list::*} contains victim:
                        remove victim from {death.list::*}
                        set victim's health to 0


                        
on damage:
    if damage cause is not void:
        if {death.list::*} contains victim:
            cancel event
            
every 1 seconds:
    apply slowness 6 without any particles to {death.list::*} for 1 seconds
    apply jump boost 200 without any particles to {death.list::*} for 1 seconds
        
on break:
    if {death.list::*} contains player:
        cancel event


        
        
on sneak toggle:
    if player is sneaking:
        loop all players in radius {@기절소생범위} of player:
            if {death.list::*} contains loop-player:
                if player is not loop-player:
                    message "&e%loop-player% &e되살리는중."
                    message "&e부활중." to loop-player
        wait 1 seconds
        if player is sneaking:
            loop all players in radius {@기절소생범위} of player:
                if {death.list::*} contains loop-player:
                    if player is not loop-player:
                        message "&e%loop-player% &e되살리는중.."
                        message "&e부활중.." to loop-player
        wait 1 seconds
        if player is sneaking:
            loop all players in radius {@기절소생범위} of player:
                if {death.list::*} contains loop-player:
                    if player is not loop-player:
                        message "&e%loop-player% &e되살리는중..."
                        message "&e부활중..." to loop-player
        wait 1 seconds
        if player is sneaking:
            loop all players in radius {@기절소생범위} of player:
                if {death.list::*} contains loop-player:
                    if player is not loop-player:
                        remove loop-player from {death.list::*}
                        set health of loop-player to {@기절소생후피}
                        broadcast "&6%player%&a님이 &6%loop-player%&a님을 되살렸습니다"
                
                
on quit:
    if {death.list} contains player:
        remove player from {death.list::*}
        kill player
        broadcast "&a%player%님께서 기절상태에서 나가셔서 죽으셨습니다."

구문은 이렇습니다!