[求助]无法加载主图公式

 自遍个主图画线公式，测试能通过，却无法加载，提示 两个操作数不可为空（某一个变量或函数未返回数据）！请老师帮忙，谢谢！ WH6赢顺

DRAWKLINE(0.75,COLORRED,1,COLORCYAN,0);
MTR:=MAX(MAX((HIGH-LOW),ABS(REF(CLOSE,1)-HIGH)),ABS(REF(CLOSE,1)-LOW));
ATR:=MA(MTR,24);
JD:=EMA((C-REF(C,1)),N);
RSV:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;
KK:=DRAWICON(MTR>ATR AND JD<0 ,H,2);
DRAWTEXT(KK,HIGH,'-----'),COLORYELLOW;
AAA:=BARSLAST(MTR>ATR AND JD<0);
BBB:=REF(H,AAA);
DRAWICON(CROSS(C,BBB),L*0.99,1);

n 1  9  3

 这样修改。

DRAWKLINE(0.75,COLORRED,1,COLORCYAN,0);
MTR:=MAX(MAX((HIGH-LOW),ABS(REF(CLOSE,1)-HIGH)),ABS(REF(CLOSE,1)-LOW));
ATR:=MA(MTR,24);
JD:=EMA((C-REF(C,1)),N);
RSV:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;
DRAWICON(MTR>ATR AND JD<0 ,H,'ICO5');
AAA:=BARSLAST(MTR>ATR AND JD<0);
BBB:=REF(H,AAA);
DRAWICON(CROSS(C,BBB),L*0.99,'ICO4');