How to solve Error "Division by Zero" for Candle stick pattern afl

Hi, I have find an open source of Candlestick pattern
But try many times to amend the code still got the error of "Division by Zero"
please help try to give hints how to amend the code to avoid the Error 505
Many Thanks!!!


_SECTION_BEGIN(" KrT group Logo");
GfxSetBkMode(1);
X=750;
Y=1;
Font=10;
GfxSelectFont("Impact",Font*2.2, 550);GfxSetTextColor(colorRed);GfxTextOut("KrT group",x,y);
GfxSelectFont("Impact",Font*2.2, 550);GfxSetTextColor(colorGreen);GfxTextOut("RESEARCH",x+120,Y);

_SECTION_END();

//------------------------------------------------------------------------------

/*Body Colors*/
whiteBody=C>=O;
blackBody=O>C;

/*Body Size*/
smallBodyMaximum=0.0025;//less than 0.25%
LargeBodyMinimum=0.01;//greater than 1.0%
smallBody=(O>=C*(1-smallBodyMaximum) AND whiteBody) OR (C>=O*(1-smallBodyMaximum) AND blackBody);
largeBody=(C>=O*(1+largeBodyMinimum) AND whiteBody) OR C<=O*(1-largeBodyMinimum) AND blackBody;
mediumBody=NOT LargeBody AND NOT smallBody;
identicalBodies=abs(abs(Ref(O,-1)-Ref(C,-1))-abs(O-C)) < abs(O-C)*smallBodyMaximum;
realBodySize=abs(O-C);


/*Shadows*/
smallUpperShadow=(whiteBody AND H<=C*(1+smallBodyMaximum)) OR (blackBody AND H<=O*(1+smallBodyMaximum));
smallLowerShadow=(whiteBody AND L>=O*(1-smallBodyMaximum)) OR (blackBody AND L>=C*(1-smallBodyMaximum));
largeUpperShadow=(whiteBody AND H>=C*(1+largeBodyMinimum)) OR (blackBody AND H>=O*(1+largeBodyMinimum));
largeLowerShadow=(whiteBody AND L<=O*(1-largeBodyMinimum)) OR (blackBody AND L<=C*(1-largeBodyMinimum));

/*Gaps*/
upGap= IIf(Ref(blackBody,-1)AND whiteBody AND O>Ref(O,-1),1,
IIf(Ref(blackbody,-1) AND blackBody AND C>Ref(O,-1),1,
IIf(Ref(whiteBody,-1) AND whiteBody AND O>Ref(C,-1),1,
IIf(Ref(whiteBody,-1) AND blackBody AND C>Ref(C,-1),1,0))));

downGap=IIf(Ref(blackBody,-1)AND whiteBody AND C<Ref(C,-1),1,
IIf(Ref(blackbody,-1) AND blackBody AND O<Ref(C,-1),1,
IIf(Ref(whiteBody,-1) AND whiteBody AND C<Ref(O,-1),1,
IIf(Ref(whiteBody,-1) AND blackBody AND O<Ref(O,-1),1,0))));

/*Maximum High Today - (MHT)
Today is the maximum High in the last 5 days*/
MHT= HHV(H,5)==H;

/*Maximum High Yesterday - (MHY)
Yesterday is the maximum High in the last 5 days*/
MHY= HHV(H,5)==Ref ( H, -1);

/*Minimum Low Today - (MLT)
Today is the minimum Low in the last 5 days*/
MLT= LLV(L,5)==L;

/*Minimum Low Yesterday - (MLY)
Yesterday is the minimum Low in the last 5 days*/
MLY= LLV(L,5)==Ref(L,-1);

/*DOJI definitions*/

/*Doji Today - (DT)*/
DT = abs(C-O) <= (C*smallBodyMaximum) OR (abs(O-C)<=((H-L)*0.1));

/* Doji Yesterday - (DY)*/
DY = abs(Ref ( C, -1)-Ref(O,-1)) <= Ref ( C, -1) *smallBodyMaximum OR abs (Ref ( O, -1)-Ref(C,-1)) <= (Ref ( H, -1 ) - Ref ( L, -1 ) )*0.1;


O1 = Ref(O,-1);O2 = Ref(O,-2); 
H1 = Ref(H,-1);H2 = Ref(H,-2); 
L1 = Ref(L,-1);L2 = Ref(L,-2); 
C1 = Ref(C,-1);C2 = Ref(C,-2); 
NearDoji = (abs(O-C)<= ((H-L)*0.1)); 
BlackCandle = (O>C); 
LongBlackCandle = (O>C AND (O-C)/(0.001+H-L)>0.6); 
SmallBlackCandle = ((O>C) AND ((H-L)>(3*(O-C)))); 
WhiteCandle = (C>O); 
LongWhiteCandle = ((C>O) AND ((C-O)/(0.001+H-L)>0.6)); 
SmallWhiteCandle = ((C>O) AND ((H-L)>(3*(C-O)))); 
BlackMaubozu = (O>C AND H==O AND C==L); 
WhiteMaubozu = (C>O AND H==C AND O==L); 
BlackClosingMarubozu = (O>C AND C==L); 
WhiteClosingMarubozu = (C>O AND C==H); 
BlackOpeningMarubozu = (O>C AND O==H); 
WhiteOpeningMarubozu = (C>O AND O==L); 
HangingMan = (((H-L)>4*(O-C)) AND ((C-L)/(0.001+H-L)>= 0.75) AND ((O-L)/(0.001+H-L)>= 0.75)); 
Hammer = (((H-L)>3*(O-C)) AND ((C-L)/(0.001+H-L)>0.6) AND ((O-L)/(0.001+H-L)>0.6)); 
InvertedHammer = (((H-L)>3*(O-C)) AND ((H-C)/(0.001+H-L)>0.6) AND ((H-O)/(0.001+H-L)>0.6)); 
ShootingStar = (((H-L)>4*(O-C)) AND ((H-C)/(0.001+H-L)>= 0.75) AND ((H-O)/(0.001+H-L)>= 0.75)); 
BlackSpinningTop = ((O>C) AND ((H-L)>(3*(O-C))) AND (((H-O)/(0.001+H-L))<0.4) AND (((C-L)/(0.001+H-L))<0.4)); 
WhiteSpinningTop = ((C>O) AND ((H-L)>(3*(C-O))) AND (((H-C)/(0.001+H-L))<0.4) AND (((O-L)/(0.001+H-L))<0.4)); 
BearishAbandonedBaby = ((C1 == O1) AND (C2>O2) AND (O>C) AND (L1>H2) AND (L1>H)); 
BearishEveningDojiStar = ((C2>O2) AND ((C2-O2)/(0.001+H2-L2)>0.6) AND (C2<O1) AND (C1>O1) AND ((H1-L1)>(3*(C1-O1))) AND (O>C) AND (O<O1)); 
DarkCloudCover = (C1>O1 AND ((C1+O1)/2)>C AND O>C AND O>C1 AND C>O1 AND (O-C)/(0.001+(H-L)>0.6)); 
BearishEngulfing = ((C1>O1) AND (O>C) AND (O>= C1) AND (O1>= C) AND ((O-C)>(C1-O1))); 
ThreeOutsideDownPattern = ((C2>O2) AND (O1>C1) AND (O1>= C2) AND (O2>= C1) AND ((O1-C1)>(C2-O2)) AND (O>C) AND (C<C1)); 
BullishAbandonedBaby = ((C1 == O1) AND (O2>C2) AND (C>O) AND (L2>H1) AND (L>H1)); 
BullishMorningDojiStar = ((O2>C2) AND ((O2-C2)/(0.001+H2-L2)>0.6) AND (C2>O1) AND (O1>C1) AND ((H1-L1)>(3*(C1-O1))) AND (C>O) AND (O>O1)); 
BullishEngulfing = ((O1>C1) AND (C>O) AND (C>= O1) AND (C1>= O) AND ((C-O)>(O1-C1))); 
ThreeOutsideUpPattern = ((O2>C2) AND (C1>O1) AND (C1>= O2) AND (C2>= O1) AND ((C1-O1)>(O2-C2)) AND (C>O) AND (C>C1)); 
BullishHarami = ((O1>C1) AND (C>O) AND (C<= O1) AND (C1<= O) AND ((C-O)<(O1-C1))); 
ThreeInsideUpPattern = ((O2>C2) AND (C1>O1) AND (C1<= O2) AND (C2<= O1) AND ((C1-O1)<(O2-C2)) AND (C>O) AND (C>C1) AND (O>O1)); 
PiercingLine = ((C1<O1) AND (((O1+C1)/2)<C) AND (O<C) AND (O<C1) AND (C<O1) AND ((C-O)/(0.001+(H-L))>0.6)); 
BearishHarami = ((C1>O1) AND (O>C) AND (O<= C1) AND (O1<= C) AND ((O-C)<(C1-O1))); 
ThreeInsideDownPattern = ((C2>O2) AND (O1>C1) AND (O1<= C2) AND (O2<= C1) AND ((O1-C1)<(C2-O2)) AND (O>C) AND (C<C1) AND (O<O1)); 
ThreeWhiteSoldiers = (C>O*1.01) AND (C1>O1*1.01) AND (C2>O2*1.01) AND (C>C1) AND (C1>C2) AND (O<C1) AND (O>O1) AND (O1<C2) AND (O1>O2) AND (((H-C)/(H-L))<0.2) AND (((H1-C1)/(H1-L1))<0.2) AND (((H2-C2)/(H2-L2))<0.2); 
DarkCloudCover = (C1>O1*1.01) AND (O>C) AND (O>H1) AND (C>O1) AND (((C1+O1)/2)>C) AND (C>O1) AND (MA(C,13)-Ref(MA(C,13),-4)>0); 
ThreeBlackCrows = (O>C*1.01) AND (O1>C1*1.01) AND (O2>C2*1.01) AND (C<C1) AND (C1<C2) AND (O>C1) AND (O<O1) AND (O1>C2) AND (O1<O2) AND (((C-L)/(H-L))<0.2) AND (((C1-L1)/(H1-L1))<0.2) AND (((C2-L2)/(H2-L2))<0.2);
eveningStar=Ref(LargeBody,-2) AND Ref(whiteBody,-2) AND Ref(upGap,-1) AND NOT Ref(largeBody,-1) AND blackBody AND NOT smallBody AND (MHT OR MHY);
morningStar =Ref(largeBody,-2) AND Ref(blackBody,-2) AND Ref(downGap,-1) AND whiteBody AND LargeBody AND C>Ref(C,-2) AND MLY;
Doji = (O == C); 
MATCHLOW = LLV(Low,8)==LLV(Low,2) AND Ref(Close,-1)<=Ref(Open,-1)*.99 AND abs(Close-Ref(Close,-1))<=Close*.0025 AND Open>Ref(Close,-1) AND Open<=(High-((High-Low)*.5));
GapUpx = GapUp(); 
GapDownx = GapDown(); 
BigGapUp = L>1.01*H1; 
BigGapDown = H<0.99*L1; 
HugeGapUp = L>1.02*H1; 
HugeGapDown = H<0.98*L1; 
DoubleGapUp = GapUp() AND Ref(GapUp(),-1); 
DoubleGapDown = GapDown() AND Ref(GapDown(),-1); 

c_Status = 
WriteIf(HangingMan, "Hanging Man",
WriteIf(ShootingStar, "Shooting Star",
WriteIf(DarkCloudCover, "Dark Cloud Cover", 
WriteIf(BearishEngulfing, "Bearish Engulfing",
WriteIf(BearishHarami, "Bearish Harami",
WriteIf(eveningStar, "Evening Star",
WriteIf(Hammer, "Hammer",
WriteIf(InvertedHammer, "Inverted Hammer",
WriteIf(PiercingLine, "Piercing Line",
WriteIf(BullishEngulfing, "Bullish Engulfing",
WriteIf(BullishHarami, "Bullish Harami",
WriteIf(morningStar, "Morning Star",
WriteIf(NearDoji, "Near Doji",
WriteIf(Doji, "Doji",
WriteIf(MATCHLOW,"MATCHING LOW",
"Zilch" )))))))))))))));
P_status =
WriteIf(GapUpx, "Gap Up", 
WriteIf(GapDownx, "Gap Down",
WriteIf(BigGapUp, "Big Gap Up",
WriteIf(BigGapDown, "Big Gap Down",
WriteIf(HugeGapUp, "Huge Gap Up",
WriteIf(HugeGapDown, "Huge Gap Down",
WriteIf(DoubleGapUp, "Double Gap Up",
WriteIf(DoubleGapDown, "DoubleGapDown",
"Zilch" ))))))));
/*Tweezer Top*/
TweezerTop=abs(H-Ref(H,-1))<=H*0.0025 AND O >C AND (Ref(C,-1) > Ref(O,-1))AND (MHT OR MHY);

/*Tweezer Bottom*/
tweezerBottom= (abs(L-Ref(L,-1))/L<0.0025 OR
abs(L-Ref(L,-2))/L<0.0025) AND O < C AND (Ref( O,-1) > Ref(C,-1)) AND (MLT OR MLY);
PATTERN = WriteIf(tweezerTop, "Tweezer Top",
WriteIf(tweezerBottom, "Tweezer Bottom","Zilch" ));

Filter = tweezerTop OR tweezerBottom;
/*Body Colors*/
whiteBody=C>=O;
blackBody=O>C;

/*Body Size*/
smallBodyMaximum=0.0025;//less than 0.25%
LargeBodyMinimum=0.01;//greater than 1.0%
smallBody=(O>=C*(1-smallBodyMaximum) AND whiteBody) OR (C>=O*(1-smallBodyMaximum) AND blackBody);
largeBody=(C>=O*(1+largeBodyMinimum) AND whiteBody) OR C<=O*(1-largeBodyMinimum) AND blackBody;
mediumBody=NOT LargeBody AND NOT smallBody;
identicalBodies=abs(abs(Ref(O,-1)-Ref(C,-1))-abs(O-C)) < abs(O-C)*smallBodyMaximum;
realBodySize=abs(O-C);


/*Shadows*/
smallUpperShadow=(whiteBody AND H<=C*(1+smallBodyMaximum)) OR (blackBody AND H<=O*(1+smallBodyMaximum));
smallLowerShadow=(whiteBody AND L>=O*(1-smallBodyMaximum)) OR (blackBody AND L>=C*(1-smallBodyMaximum));
largeUpperShadow=(whiteBody AND H>=C*(1+largeBodyMinimum)) OR (blackBody AND H>=O*(1+largeBodyMinimum));
largeLowerShadow=(whiteBody AND L<=O*(1-largeBodyMinimum)) OR (blackBody AND L<=C*(1-largeBodyMinimum));

/*Gaps*/
upGap= IIf(Ref(blackBody,-1)AND whiteBody AND O>Ref(O,-1),1,
IIf(Ref(blackbody,-1) AND blackBody AND C>Ref(O,-1),1,
IIf(Ref(whiteBody,-1) AND whiteBody AND O>Ref(C,-1),1,
IIf(Ref(whiteBody,-1) AND blackBody AND C>Ref(C,-1),1,0))));

downGap=IIf(Ref(blackBody,-1)AND whiteBody AND C<Ref(C,-1),1,
IIf(Ref(blackbody,-1) AND blackBody AND O<Ref(C,-1),1,
IIf(Ref(whiteBody,-1) AND whiteBody AND C<Ref(O,-1),1,
IIf(Ref(whiteBody,-1) AND blackBody AND O<Ref(O,-1),1,0))));

/*Maximum High Today - (MHT)
Today is the maximum High in the last 5 days*/
MHT= HHV(H,5)==H;

/*Maximum High Yesterday - (MHY)
Yesterday is the maximum High in the last 5 days*/
MHY= HHV(H,5)==Ref ( H, -1);

/*Minimum Low Today - (MLT)
Today is the minimum Low in the last 5 days*/
MLT= LLV(L,5)==L;

/*Minimum Low Yesterday - (MLY)
Yesterday is the minimum Low in the last 5 days*/
MLY= LLV(L,5)==Ref(L,-1);

/*DOJI definitions*/

/*Doji Today - (DT)*/
DT = abs(C-O) <= (C*smallBodyMaximum) OR (abs(O-C)<=((H-L)*0.1));

/* Doji Yesterday - (DY)*/
DY = abs(Ref ( C, -1)-Ref(O,-1)) <= Ref ( C, -1) *smallBodyMaximum OR abs (Ref ( O, -1)-Ref(C,-1)) <= (Ref ( H, -1 ) - Ref ( L, -1 ) )*0.1;


O1 = Ref(O,-1);O2 = Ref(O,-2); 
H1 = Ref(H,-1);H2 = Ref(H,-2); 
L1 = Ref(L,-1);L2 = Ref(L,-2); 
C1 = Ref(C,-1);C2 = Ref(C,-2); 
NearDoji = (abs(O-C)<= ((H-L)*0.1)); 
BlackCandle = (O>C); 
LongBlackCandle = (O>C AND (O-C)/(0.001+H-L)>0.6); 
SmallBlackCandle = ((O>C) AND ((H-L)>(3*(O-C)))); 
WhiteCandle = (C>O); 
LongWhiteCandle = ((C>O) AND ((C-O)/(0.001+H-L)>0.6)); 
SmallWhiteCandle = ((C>O) AND ((H-L)>(3*(C-O)))); 
BlackMaubozu = (O>C AND H==O AND C==L); 
WhiteMaubozu = (C>O AND H==C AND O==L); 
BlackClosingMarubozu = (O>C AND C==L); 
WhiteClosingMarubozu = (C>O AND C==H); 
BlackOpeningMarubozu = (O>C AND O==H); 
WhiteOpeningMarubozu = (C>O AND O==L); 
HangingMan = (((H-L)>4*(O-C)) AND ((C-L)/(0.001+H-L)>= 0.75) AND ((O-L)/(0.001+H-L)>= 0.75)); 
Hammer = (((H-L)>3*(O-C)) AND ((C-L)/(0.001+H-L)>0.6) AND ((O-L)/(0.001+H-L)>0.6)); 
InvertedHammer = (((H-L)>3*(O-C)) AND ((H-C)/(0.001+H-L)>0.6) AND ((H-O)/(0.001+H-L)>0.6)); 
ShootingStar = (((H-L)>4*(O-C)) AND ((H-C)/(0.001+H-L)>= 0.75) AND ((H-O)/(0.001+H-L)>= 0.75)); 
BlackSpinningTop = ((O>C) AND ((H-L)>(3*(O-C))) AND (((H-O)/(0.001+H-L))<0.4) AND (((C-L)/(0.001+H-L))<0.4)); 
WhiteSpinningTop = ((C>O) AND ((H-L)>(3*(C-O))) AND (((H-C)/(0.001+H-L))<0.4) AND (((O-L)/(0.001+H-L))<0.4)); 
BearishAbandonedBaby = ((C1 == O1) AND (C2>O2) AND (O>C) AND (L1>H2) AND (L1>H)); 
BearishEveningDojiStar = ((C2>O2) AND ((C2-O2)/(0.001+H2-L2)>0.6) AND (C2<O1) AND (C1>O1) AND ((H1-L1)>(3*(C1-O1))) AND (O>C) AND (O<O1)); 
DarkCloudCover = (C1>O1 AND ((C1+O1)/2)>C AND O>C AND O>C1 AND C>O1 AND (O-C)/(0.001+(H-L)>0.6)); 
BearishEngulfing = ((C1>O1) AND (O>C) AND (O>= C1) AND (O1>= C) AND ((O-C)>(C1-O1))); 
ThreeOutsideDownPattern = ((C2>O2) AND (O1>C1) AND (O1>= C2) AND (O2>= C1) AND ((O1-C1)>(C2-O2)) AND (O>C) AND (C<C1)); 
BullishAbandonedBaby = ((C1 == O1) AND (O2>C2) AND (C>O) AND (L2>H1) AND (L>H1)); 
BullishMorningDojiStar = ((O2>C2) AND ((O2-C2)/(0.001+H2-L2)>0.6) AND (C2>O1) AND (O1>C1) AND ((H1-L1)>(3*(C1-O1))) AND (C>O) AND (O>O1)); 
BullishEngulfing = ((O1>C1) AND (C>O) AND (C>= O1) AND (C1>= O) AND ((C-O)>(O1-C1))); 
ThreeOutsideUpPattern = ((O2>C2) AND (C1>O1) AND (C1>= O2) AND (C2>= O1) AND ((C1-O1)>(O2-C2)) AND (C>O) AND (C>C1)); 
BullishHarami = ((O1>C1) AND (C>O) AND (C<= O1) AND (C1<= O) AND ((C-O)<(O1-C1))); 
ThreeInsideUpPattern = ((O2>C2) AND (C1>O1) AND (C1<= O2) AND (C2<= O1) AND ((C1-O1)<(O2-C2)) AND (C>O) AND (C>C1) AND (O>O1)); 
PiercingLine = ((C1<O1) AND (((O1+C1)/2)<C) AND (O<C) AND (O<C1) AND (C<O1) AND ((C-O)/(0.001+(H-L))>0.6)); 
BearishHarami = ((C1>O1) AND (O>C) AND (O<= C1) AND (O1<= C) AND ((O-C)<(C1-O1))); 
ThreeInsideDownPattern = ((C2>O2) AND (O1>C1) AND (O1<= C2) AND (O2<= C1) AND ((O1-C1)<(C2-O2)) AND (O>C) AND (C<C1) AND (O<O1)); 
ThreeWhiteSoldiers = (C>O*1.01) AND (C1>O1*1.01) AND (C2>O2*1.01) AND (C>C1) AND (C1>C2) AND (O<C1) AND (O>O1) AND (O1<C2) AND (O1>O2) AND (((H-C)/(H-L))<0.2) AND (((H1-C1)/(H1-L1))<0.2) AND (((H2-C2)/(H2-L2))<0.2); 
DarkCloudCover = (C1>O1*1.01) AND (O>C) AND (O>H1) AND (C>O1) AND (((C1+O1)/2)>C) AND (C>O1) AND (MA(C,13)-Ref(MA(C,13),-4)>0); 
ThreeBlackCrows = (O>C*1.01) AND (O1>C1*1.01) AND (O2>C2*1.01) AND (C<C1) AND (C1<C2) AND (O>C1) AND (O<O1) AND (O1>C2) AND (O1<O2) AND (((C-L)/(H-L))<0.2) AND (((C1-L1)/(H1-L1))<0.2) AND (((C2-L2)/(H2-L2))<0.2);
eveningStar=Ref(LargeBody,-2) AND Ref(whiteBody,-2) AND Ref(upGap,-1) AND NOT Ref(largeBody,-1) AND blackBody AND NOT smallBody AND (MHT OR MHY);
morningStar =Ref(largeBody,-2) AND Ref(blackBody,-2) AND Ref(downGap,-1) AND whiteBody AND LargeBody AND C>Ref(C,-2) AND MLY;
Doji = (O == C); 
MATCHLOW = LLV(Low,8)==LLV(Low,2) AND Ref(Close,-1)<=Ref(Open,-1)*.99 AND abs(Close-Ref(Close,-1))<=Close*.0025 AND Open>Ref(Close,-1) AND Open<=(High-((High-Low)*.5));
GapUpx = GapUp(); 
GapDownx = GapDown(); 
BigGapUp = L>1.01*H1; 
BigGapDown = H<0.99*L1; 
HugeGapUp = L>1.02*H1; 
HugeGapDown = H<0.98*L1; 
DoubleGapUp = GapUp() AND Ref(GapUp(),-1); 
DoubleGapDown = GapDown() AND Ref(GapDown(),-1); 

c_Status = 
WriteIf(HangingMan, "Hanging Man",
WriteIf(ShootingStar, "Shooting Star",
WriteIf(DarkCloudCover, "Dark Cloud Cover", 
WriteIf(BearishEngulfing, "Bearish Engulfing",
WriteIf(BearishHarami, "Bearish Harami",
WriteIf(eveningStar, "Evening Star",
WriteIf(Hammer, "Hammer",
WriteIf(InvertedHammer, "Inverted Hammer",
WriteIf(PiercingLine, "Piercing Line",
WriteIf(BullishEngulfing, "Bullish Engulfing",
WriteIf(BullishHarami, "Bullish Harami",
WriteIf(morningStar, "Morning Star",
WriteIf(NearDoji, "Near Doji",
WriteIf(Doji, "Doji",
WriteIf(MATCHLOW,"MATCHING LOW",
"Zilch" )))))))))))))));
P_status =
WriteIf(GapUpx, "Gap Up", 
WriteIf(GapDownx, "Gap Down",
WriteIf(BigGapUp, "Big Gap Up",
WriteIf(BigGapDown, "Big Gap Down",
WriteIf(HugeGapUp, "Huge Gap Up",
WriteIf(HugeGapDown, "Huge Gap Down",
WriteIf(DoubleGapUp, "Double Gap Up",
WriteIf(DoubleGapDown, "DoubleGapDown",
"Zilch" ))))))));
/*Tweezer Top*/
TweezerTop=abs(H-Ref(H,-1))<=H*0.0025 AND O >C AND (Ref(C,-1) > Ref(O,-1));

/*Tweezer Bottom*/
tweezerBottom= (abs(L-Ref(L,-1))/L<0.0025 OR
abs(L-Ref(L,-2))/L<0.0025) AND O < C AND (Ref( O,-1) > Ref(C,-1));
PATTERN = WriteIf(tweezerTop, "Tweezer Top",
WriteIf(tweezerBottom, "Tweezer Bottom","Zilch" ));

Filter = tweezerTop OR tweezerBottom;
//AddTextColumn(PATTERN, "Tweezer Pattern", 5.6, colorWhite, IIf(TweezerTop, colorRed, 
//IIf(TweezerBottom, colorGreen, colorLightGrey)));

//AddTextColumn(C_Status, "Candle Pattern", 5.6, colorWhite, IIf(HangingMan OR ShootingStar OR DarkCloudCover OR BearishEngulfing OR BearishHarami OR eveningStar, colorRed, 
//IIf(Hammer OR InvertedHammer OR PiercingLine OR BullishEngulfing OR BullishHarami OR morningStar OR MATCHLOW, colorGreen, IIf( NearDoji OR Doji, colorBlue, colorLightGrey))));
AddTextColumn(P_Status, "Price Pattern", 5.6, colorWhite, IIf(GapDownx OR BigGapDown OR HugeGapDown OR DoubleGapDown, colorRed, 
IIf(GapUpx OR BigGapUp OR HugeGapUp OR DoubleGapUp, colorGreen, colorLightGrey)));
AddTextColumn(PATTERN + " And " + C_Status, "Tweezer Pattern" , 5.6, colorWhite, IIf(TweezerTop, colorRed, 
IIf(TweezerBottom, colorGreen, colorLightGrey)));
AddColumn(C," CURRENT PRICE",1.2, IIf(C >Ref(C,-1),colorGreen,colorRed));
AddColumn(V," VOL TODAY ",1.2, IIf(V > MA(V,20),colorGreen, colorLightGrey));
/************************************************** *****
Candlestick Commentary
Load this file into the Commentary Option of the Analysis tab. Green arrows indicate bullish candles.
Red arrows indicate bearish candles. Scroll down the commentary for comments. 
This is a work in progress. Thanks to all on this forum whose code I may have incorporated into this file. Comments are from Steve Nison "Japanese Candlestick Charting Techniques" and the LitWick web site.
************************************************** ********/

/*Body Colors*/
whiteBody=C>=O;
blackBody=O>C;

/*Body Size*/
smallBodyMaximum=0.0025;//less than 0.25%
LargeBodyMinimum=0.01;//greater than 1.0%
smallBody=(O>=C*(1-smallBodyMaximum) AND whiteBody) 
OR (C>=O*(1-smallBodyMaximum) AND blackBody);
largeBody=(C>=O*(1+largeBodyMinimum) AND whiteBody) 
OR C<=O*(1-largeBodyMinimum) AND blackBody;
mediumBody=NOT LargeBody AND NOT smallBody;
identicalBodies=abs(abs(Ref(O,-1)-Ref(C,-1))-abs(O-C)) < 
abs(O-C)*smallBodyMaximum;
realBodySize=abs(O-C);


/*Shadows*/
smallUpperShadow=(whiteBody AND H<=C*(1+smallBodyMaximum))
OR (blackBody AND H<=O*(1+smallBodyMaximum));
smallLowerShadow=(whiteBody AND L>=O*(1-smallBodyMaximum)) 
OR (blackBody AND L>=C*(1-smallBodyMaximum));
largeUpperShadow=(whiteBody AND H>=C*(1+largeBodyMinimum)) 
OR (blackBody AND H>=O*(1+largeBodyMinimum));
largeLowerShadow=(whiteBody AND L<=O*(1-largeBodyMinimum)) 
OR (blackBody AND L<=C*(1-largeBodyMinimum));

/*Gaps*/
upGap= IIf(Ref(blackBody,-1)AND whiteBody AND O>Ref(O,-1),1,
IIf(Ref(blackbody,-1) AND blackBody AND C>Ref(O,-1),1,
IIf(Ref(whiteBody,-1) AND whiteBody AND O>Ref(C,-1),1,
IIf(Ref(whiteBody,-1) AND blackBody AND C>Ref(C,-1),1,0))));

downGap=IIf(Ref(blackBody,-1)AND whiteBody AND C<Ref(C,-1),1,
IIf(Ref(blackbody,-1) AND blackBody AND O<Ref(C,-1),1,
IIf(Ref(whiteBody,-1) AND whiteBody AND C<Ref(O,-1),1,
IIf(Ref(whiteBody,-1) AND blackBody AND O<Ref(O,-1),1,0))));


/*Candle Definitions*/
spinningTop=mediumBody;
doji=CdDoji(threshold=0.05);/*abs(C-O) <= (C*smallBodyMaximum) OR
(abs(O-C)<=((H-L)*0.1));*/
dojiStar=doji AND (upgap OR downgap)AND Ref(LargeBody,-1);
marabuzu=LargeBody AND smallUpperShadow AND smallLowerShadow;

shootingStar=/*(NOT largeBody AND smallLowerShadow AND LargeUpperShadow) OR*/
smallLowerShadow AND NOT doji AND
((blackBody AND abs(O-H)>2*realBodySize) OR
(whiteBody AND abs(H-C)>2*realBodySize));

Hammer=smallUpperShadow AND NOT doji AND
((blackBody AND abs(C-L)>2*realBodySize) OR
(whiteBody AND abs(L-O)>2*realBodySize));

tweezerTop=abs(H-Ref(H,-1))<=H*0.0025;
tweezerBottom=abs(L-Ref(L,-1))<=L*0.0025;
engulfing=
IIf(blackBody AND Ref(blackbody,-1) AND C<Ref(C,-1) AND O>Ref(O,-1),1,
IIf(blackBody AND Ref(whiteBody,-1) AND O>Ref(C,-1) AND C<Ref(O,-1),1,
IIf(whitebody AND Ref(whitebody,-1) AND C>Ref(C,-1) AND O<Ref(O,-1),1,
IIf(whiteBody AND Ref(blackBody,-1) AND C>Ref(O,-1)AND O<Ref(C,-1),1,0))));
Harami=
IIf(blackbody AND Ref(blackBody,-1) AND O<Ref(O,-1) AND C>Ref(C,-1),1,
IIf(blackBody AND Ref(whiteBody,-1) AND C>Ref(O,-1) AND O<Ref(C,-1),1,
IIf(whiteBody AND Ref(whiteBody,-1) AND C<Ref(C,-1) AND O>Ref(O,-1),1,
IIf(whiteBody AND Ref(blackBody,-1) AND O>Ref(C,-1) AND C<Ref(O,-1),1,0))));


/*Maximum High Today - (MHT)
Today is the maximum High in the last 5 days*/
MHT= HHV(H,5)==H;

/*Maximum High Yesterday - (MHY)
Yesterday is the maximum High in the last 5 days*/
MHY= HHV(H,5)==Ref ( H, -1);

/*Minimum Low Today - (MLT)
Today is the minimum Low in the last 5 days*/
MLT= LLV(L,5)==L;

/*Minimum Low Yesterday - (MLY)
Yesterday is the minimum Low in the last 5 days*/
MLY= LLV(L,5)==Ref(L,-1);

/*DOJI definitions*/

/*Doji Today - (DT)*/
DT = abs(C-O) <= (C*smallBodyMaximum) OR
(abs(O-C)<=((H-L)*0.1));

/* Doji Yesterday - (DY)*/
DY = abs(Ref ( C, -1)-Ref(O,-1)) <= Ref ( C, -1) *smallBodyMaximum OR
abs (Ref ( O, -1)-Ref(C,-1)) <= (Ref ( H, -1 ) - Ref ( L, -1 ) )*0.1;

/**************************************************
BULLISH CANDLESTICKS
************************************************** * */

/* Abandoned Baby Bullish*/
abandonedBabybullish =Ref(largeBody,-2) AND Ref(blackBody,-2)//Large black candle
AND Ref(GapDown(),-1) 
AND whiteBody AND LargeBody AND GapUp();//Large white candle

/* Belt Hold*///Bad formula
beltHoldBullish = largeBody AND smallLowerShadow AND whiteBody AND MLT;


/*BreakAway Bullish*/
breakAwayBullish=Ref(Largebody,-4) AND Ref(blackBody,-4)
AND Ref(blackBody,-3) AND Ref(O,-3)<Ref(C,-4)
AND Ref(smallbody,-2) AND Ref(C,-2)<Ref(C,-3)
AND Ref(C,-1)<Ref(C,-2)
AND LargeBody AND whiteBody AND C>Ref(O, -3) 
AND C<Ref(C,-4);

/*Concealing Baby Swallow only one trade */
ConcealingBabySwallow=Ref(marabuzu,-3) AND Ref(blackbody,-3) AND
Ref(MArabuzu,-2) AND Ref(blackBody,-2) AND
Ref(blackBody,-1) AND Ref(downGap,-1) AND 
Ref(H,-1)>Ref(C,-2)AND Ref(blackbody,-1)AND 
blackBody AND engulfing;

/*Doji Star Bullish*/
dojiStarBullish=(dojiStar AND (MLT OR MLY))OR 
(doji AND (C<Ref(C,-1) OR O<Ref(C,-1))AND Ref(blackBody,-1)
AND Ref(LargeBody,-1));

/*Engulfing Bullish*/ 
engulfingBullish =
engulfing AND largeBody AND whiteBody AND 
(Ref(blackbody,-1) OR Ref(Doji,-1)) AND MLT;

/*Hammer Bullish*/
hammerBullish=Hammer AND (MLT OR MLY);

/*Dragonfly Doji Bullish*/
dragonflyDoji=smallBody AND LargeLowerShadow AND smallUpperShadow AND MLT;

/* Harami Bullish*/
haramiBullish = harami AND Ref (LargeBody,-1) AND Ref(blackBody,-1) AND
NOT LargeBody AND whiteBody;

/*Harami Cross*/
HaramiCross=harami AND Ref(LargeBody,-1) AND Ref(blackBody,-1) AND doji; 

/* Homing Pigeon*/
homingPigeon = Ref(largeBody,-1) AND Ref(blackBody,-1) AND
H<= Ref ( O, -1 ) AND L>=Ref( C, -1) AND C<O AND MLY;

/*Inverted Hammer*/
invertedHammer=shootingStar AND (MLT OR MLY);

/* Meeting LinesBullish*/
meetingLinesbullish= Ref(LargeBody,-1) AND Ref(blackBody,-1) AND
LargeBody AND whiteBody AND
C>Ref(C,-1)*0.9975 AND C< Ref(C,-1)*1.0025;

/*Morning Doji Star*/
morningDojiStar= Ref(LargeBody,-2) AND Ref(blackBody,-2) AND
Ref(doji,-1) AND Ref(O,-1)<Ref(C,-2) AND
whiteBody AND C>Ref(C,-2) AND MLY;

/* Morning Star*/
morningStar =Ref(largeBody,-2) AND Ref(blackBody,-2)//Large black candle 
AND Ref(downGap,-1)//Gap down yesterday
AND whiteBody AND LargeBody AND C>Ref(C,-2)//Large white candle today
AND MLY; //Yesterday was the low

/* Piercing Line*/
piercingLine= Ref(largeBody,-1) AND Ref(blackBody,-1)AND
O<Ref(L,-1) AND C>=(Ref(O,-1)+Ref(C,-1))/2 AND C<Ref(O,-1) AND MLT;

/* Stick Sandwich*/
stickSandwich=Ref(largeBody,-2) AND Ref(blackbody,-2) AND 
Ref(largeBody,-1) AND Ref(whiteBody,-1) AND
Ref(O,-1)>=Ref(C,-2) AND O>=Ref(C,-1) AND
abs(C-Ref(C,-2))<=C*0.0025;

/*Three Inside Up harami confirming*/
threeInsideUp =Ref(Haramibullish,-1) AND whiteBody AND 
largeBody AND C>Ref(C,-1);


/* Three Outside Up Engulfing confirmation*/
threeOutsideUp =Ref(engulfingBullish,-1) AND whiteBody AND C>Ref(C,-1);

/* Three Stars in the South*///Rewrite???
threeStarsInTheSouth=
Ref(LargeBody,-2) AND Ref(blackBody,-2) AND Ref(largelowerShadow,-2)
AND Ref(blackBody,-1) AND Ref(largeLowerShadow,-1) AND 
Ref(L,-1)>Ref(L,-2) AND blackBody AND smallUpperShadow AND
smallLowerShadow AND L>Ref(L,-1) AND H<Ref(H,-1);

/* Tri-Star Bullish*/
triStarBullish=Ref(doji,-2) AND Ref(doji,-1) AND doji AND MLY AND
Ref(downgap,-1) AND upGap;

/* Three River Bottom Bad formula*/
threeriverBottom=Ref(largeBody,-2) AND Ref(blackBody,-2) AND
Ref(blackbody,-1) AND Ref(Largelowershadow,-1) AND
Ref(O,-1)<Ref(O,-2) AND Ref(C,-1)>Ref(C,-2) AND
whiteBody AND C<Ref(C,-1) AND MLY; 

/* Mat Hold Bullish*/
MAtHoldBullish=Ref(LargeBody,-4) AND Ref(whiteBody,-4)//1st day
AND Ref(blackBody,-3) AND Ref(upGap,-3) AND NOT Ref(LargeBody,-3)
AND NOT Ref(LargeBody,-2) AND Ref(C,-2)<Ref(C,-3) AND Ref (O,-2)<Ref(O,-3) AND 
Ref(C,-2)>Ref(O,-4) AND NOT Ref(LargeBody,-1) AND Ref(C,-1)<Ref(C,-2)
AND LargeBody AND whiteBody AND C>Ref(C,-4); 

/*RisingThreeMethods*/
risingThreeMethods=Ref(LargeBody,-4) AND Ref(whiteBody,-4) AND NOT
Ref(LargeBody,-3) AND NOT Ref(LargeBody,-2)AND NOT Ref(LargeBody,-1) AND
Ref(C,-3)<Ref(C,-4) AND Ref(C,-2)<Ref(C,-3) AND Ref(C,-1)<Ref(C,-2) AND
LargeBody AND whitebody AND C>Ref(C,-4);

/* Seperating Lines Bullish*/
separatingLinesBullish=Ref(blackBody,-1) AND whiteBody AND LargeBody AND
smallLowerShadow AND MHT AND abs(O-Ref(O,-1))<=O*0.0025;

/*Side by Side White Lines*/
sideBySideWhiteLines=NOT Ref(smallBody,-2) AND Ref(whiteBody,-2) 
AND Ref(upGap,-1) AND Ref(whitebody,-1)AND whiteBody AND
identicalBodies AND abs(O-Ref(O,-1))<O*0.0025;


/*Three White Soldiers*/
threeWhiteSoldiers=NOT Ref(smallbody,-2) AND Ref(whiteBody,-2) AND NOT
Ref(smallBody,-1) AND Ref(whiteBody,-1) AND NOT
smallBody AND whiteBody AND C>Ref(C,-1) AND Ref(C,-1)>Ref(C,-2) AND
Ref(O,-1)>Ref(O,-2) AND Ref(O,-1)<Ref(C,-2) AND O<Ref(C,-1) AND
O>Ref(O,-1) AND Ref(smallUpperShadow,-2) AND
Ref(smallUpperShadow,-1) AND smallUppershadow AND LLV(L,12)==Ref(L,-2);

/*Upside Gap Three Methods not very good*/
upsideGapThreeMethods=Ref(Largebody,-2) AND Ref(whiteBody,-2) AND
Ref(LargeBody,-1) AND Ref(whiteBody,-1) AND Ref(upGap,-1) AND
blackBody AND O>Ref(O,-1) AND C<Ref(C,-2)AND C>Ref(O,-2) AND 
MHY;

/*Three Line Strike not good signals*/
threeLineStrike=NOT Ref(smallBody,-3) AND NOT Ref(smallBody,-2) AND 
NOT Ref(smallBody,-1) AND Ref(whiteBody,-3) AND Ref(whiteBody,-2) AND
Ref(whiteBody,-1) AND Ref(C,-1)>Ref(C,-2) AND Ref(C,-2)>Ref(C,-3) AND
blackBody AND O>Ref(C,-1) AND C<Ref(O,-3);

/*Tweezer Bottom*/
tweezerBottom= (abs(L-Ref(L,-1))/L<0.0025 OR
abs(L-Ref(L,-2))/L<0.0025) AND O < C AND (Ref( O,-1) > Ref(C,-1));

/*Upside Tasuki Gap*/
upsideTasukiGap=Ref(largeBody,-2) AND Ref(largeBody,1) AND
Ref(whiteBody,-2) AND Ref(whiteBody,-1) AND Ref(upGap,-1) AND
blackBody AND O>Ref(O,-1) AND C<Ref(O,-1) AND C>Ref(C,-2) AND
identicalBodies AND O<Ref(C,-1);
//AND HHV(H,5)==Ref(H,-1); Do not use this line


/*****************************************
BEARISH CANDLESTICKS
******************************************/

/*Abandoned Baby Bearish*/
AbandonedBabyBearish=Ref(LargeBody,-2) AND Ref(whiteBody,-2) AND
Ref(smallBody,-1) AND Ref(GapUp(),-1) AND GapDown() AND 
NOT smallBody AND blackBody AND MHY;

/*Advance Block Bearish*/
AdvanceBlockBearish=Ref(LargeBody,-2) AND Ref(whiteBody,-2) 
AND Ref(whiteBody,-1) AND
whiteBody AND Ref(O,-1)>Ref(O,-2) AND Ref(O,-1)<Ref(C,-2) AND
Ref(C,-1)>Ref(C,-2) AND C>Ref(C,-1) AND
O<Ref(C,-1) AND O>Ref(O,-1) AND Ref(LargeUpperShadow,-1) AND LargeUpperShadow
AND C-O<Ref(C,-1)-Ref(O,-1) AND Ref(C,-1)-Ref(O,-1) < Ref(C,-2)-Ref(O,-2);

/*Belt Hold Bearish*/
beltHoldBearish=LargeBody AND BlackBody AND smalluppershadow AND MHT;

/*Breakaway Bearish*/
breakAwayBearish=Ref(LargeBody,-4) AND Ref(whiteBody,-4) AND
Ref(GapUp(),-3) AND Ref(whiteBody,-3) AND 
Ref(smallbody,-2) AND Ref(smallBody,-1) AND
blackBody AND O>Ref(O,-3) AND C<Ref(C,-4);

/*Dark Cloud Cover*/
darkCloudCover=Ref(LargeBody,-1) AND Ref(whiteBody,-1) AND
blackBody AND O>Ref(H,-1) AND C>Ref(O,-1) AND C<(Ref(O,-1)+Ref(C,-1))/2
AND MHT;

/*Deliberation Bearish: needs confirmation*/
deliberationBearish=Ref(LargeBody,-2) AND Ref(whiteBody,-2) AND
Ref(LargeBody,-1) AND Ref(whiteBody,-1) AND Ref(C,-1)>Ref(C,-2) AND
smallbody AND upGap;

/*CounterAttackBearish*/
CounterAttackBearish=MHT AND LargeBody AND blackbody AND
Ref(largeBody,-1) AND Ref(whiteBody,-1) AND
C<Ref(C,-1)*1.0025 AND C>Ref(C,-1)*0.9975;;

/*Doji Star Bearish*/
dojiStarBearish=(dojiStar AND (MHT OR MHY))OR 
(doji AND (C>Ref(C,-1) OR O>Ref(C,-1))AND Ref(whiteBody,-1)
AND Ref(LargeBody,-1));

/*Engulfing Bearish*/
engulfingBearish=engulfing AND largeBody AND blackBody AND 
(Ref(whitebody,-1) OR Ref(Doji,-1))AND (MHT OR MHY);

/*Evening Doji Star check formula???*/
eveningDojiStar=Ref(LargeBody,-2) AND Ref(whiteBody,-2) AND
Ref(dojiStar,-1) AND Ref(GapUp(),-1) AND (MHY OR MHT);

/*Evening Star*/
eveningStar=Ref(LargeBody,-2) AND Ref(whiteBody,-2) AND
Ref(upGap,-1) AND NOT Ref(largeBody,-1) AND blackBody AND NOT smallBody AND
(MHT OR MHY);

/*Hammer Bearish*/
HammerBearish=Hammer AND HHV(H,8)==H;

/*hangingMan*/
HangingMan=NOT largeBody AND smallUpperShadow AND LargeLowerShadow AND MHT;

/*dragonfly Doji Bearish*/
dragonflyDojiBearish=doji AND smallUpperShadow AND LargeLowerShadow AND MHT;

/*Harami Bearish-*/
HaramiBearish=harami AND Ref(Largebody,-1) AND Ref(whiteBody,-1)AND blackBody 
AND (MHY OR MHT);

/*HaramiCross Bearish*/
HaramiCrossBearish=harami AND doji AND Ref(whiteBody,-1) AND Ref(Largebody,-1);

/*Identical three black crows*/
idendicalThreeBlackCrows=Ref(blackBody,-2) AND Ref(blackBody,-1) AND blackBody AND
abs(Ref(C,-2)-Ref(O,-1))<Ref(C,-1)*0.0025 AND abs(Ref(C,-1)-O)<O*0.0025 AND
HHV(H,20)==Ref(H,-2) AND NOT Ref(doji,-2) AND NOT Ref(doji,-1) AND NOT doji AND
Ref(smallLowerShadow,-2) AND Ref(smallLowerShadow,-1) AND smallLowerShadow;

/*Kicking Bearish No trades*/
kickingBearish=Ref(whiteBody,-1) AND Ref(MArabuzu,-1) AND blackBody AND MArabuzu AND GapDown();

/*Meeting Lines Bearish*/
MeetingLinesBearish=Ref(LargeBody,-1) AND Ref(whiteBody,-1) AND
HHV(C,8)==Ref(C,-1) AND LargeBody AND blackBody AND 
abs(C-Ref(C,-1))<C*0.0025;

/*ShootingStar*/
shootingStarGap=shootingStar AND GapUp() AND MHT;

/*Gravestone Doji*/
gravestoneDoji=doji AND largeUpperShadow AND smallLowerShadow AND GapUp()AND MHT;

/*Three Inside Down Bearish*/
threeInsideDownBearish=Ref(HaramiBearish,-1) AND blackBody AND C<Ref(C,-1)AND smallUpperShadow;

/*Three Outside Down Bearish*/
threeoutsideDownBearish=Ref(engulfingBearish,-1) AND blackBody AND C<Ref(C,-1)AND
NOT LargeUpperShadow;

/*Tri Star Bearish*/
triStarBearish=Ref(doji,-2) AND Ref(doji,-1) AND doji AND MHY AND Ref(upGap,-1)AND downGap;

/*Two Crows Bearish*/
twoCrows=Ref(whiteBody,-2) AND Ref(LargeBody,-2) //first day
AND Ref(blackBody,-1) AND Ref(upGap,-1)//Second Day
AND blackBody AND O<Ref(O,-1) AND O>Ref(C,-1)AND C<Ref(C,-2) AND 
C>Ref(O,-2) AND MHY;//Third day

/*Upside Gap Two Crows*/
upsideGapTwoCrows= Ref(whiteBody,-2) AND Ref(LargeBody,-2)// first day
AND Ref(upGap,-1) AND Ref(blackBody,-1) // 2nd day
AND blackbody AND O>Ref(O,-1) AND C<Ref(C,-1) AND C>Ref(C,-2);

/*Doji Star Bearish needs confirmation
dojiStarBearish=Ref(LargeBody,-1) AND Ref(whiteBody,-1) // first day
AND doji AND upGap AND MHT;*/

/* Downside Gap Three Methods*/
downsideGapThreeMethods=
Ref(LargeBody,-2) AND Ref(blackBody,-2) AND Ref(downGap,-2) //first day
AND Ref(LargeBody,-1) AND Ref(blackBody,-1)//2nd day
AND whitebody AND O<Ref(O,-1) AND C>Ref(C,-2)
AND LLV(L,8)==Ref(L,-1);

/*Downside Tasuki Gap*/
downsideTasukiGap=
Ref(blackBody,-2)//first day
AND Ref(blackbody,-1) AND Ref(downgap,-1) //2nd day
AND whiteBody AND O<Ref(O,-1) AND O>Ref(C,-1) AND C>Ref(O,-1) AND C<Ref(C,-2)
AND Ref(identicalBodies,-1) 
AND LLV(L,15)==Ref(L,-1);


/*Falling Three Meothods*/
fallingThreeMethods=Ref(LargeBody,-4) AND Ref(blackBody,-4) AND
/*Ref(doji,-3) AND Ref(doji,-2) AND Ref(doji,-1) AND*/ Ref(C,-1)>Ref(C,-2) 
AND Ref(C,-2)>Ref(C,-3) AND LargeBody AND blackBody AND O>Ref(C,-4) AND
O<Ref(O,-4) AND C<Ref(O,-4)AND C<Ref(C,-4);

/*In Neck Bearish not good*/
inNeckBearish=Ref(LargeBody,-1) AND Ref(blackBody,-1) AND
whiteBody AND O<Ref(L,-1) AND C<Ref(C,-1)*1.0005 AND C>=Ref(C,-1);

/*On Neck Bearish not good*/
OnNeckBearish=Ref(LargeBody,-1) AND Ref(blackBody,-1) AND
whiteBody AND O<Ref(L,-1) AND C<Ref(L,-1)*1.0025 AND C>=Ref(L,-1)*0.9975;



It is not an error.
It is a warning.

Use search of forum.
https://forum.amibroker.com/search?q=division%20by%20zero

Do you really need to create new thread?

Also there is new function named Safedivide.