NQ脚本出错求大佬帮忙修改

初级小白

local grouptype="";
if IsInRaid() then grouptype = "raid" else  grouptype = "party" end

local min_hp = ammaximum('amsft("圣光闪现",unit)  and amjl(unit)<=40 and UnitCanAssist("player",unit) and select(2,amUnitGetIncomingHeals(unit)) <= 0 and   not UnitIsDeadOrGhost(unit) ',"aml(unit,'nil',1)",grouptype)


3: attempt to call global 'IsInRaid' (a nil value)   哪位大佬帮忙看看这里怎么改