problem with Patterns_CandleSticks (ThreeLineStrike)

[ElvisBob]

## Could someone Please Help and Maybe Explain Why:
## In the DropDown Patterns_CandleSticks (ThreeLineStrike)

#
# TD Ameritrade IP Company, Inc. (c) 2011-2024
#
#wizard plots
#wizard text: Inputs: length:
#wizard input: length
#wizard text: trend setup:
#wizard input: trendSetup

input length = 20;
input trendSetup = 3;

def IsCloseLower = close < close[1];
def IsCloseHigher = close > close[1];
def IsOpenWithinBlackBody = open > close[1] and
open < open[1];
def IsOpenWithinWhiteBody = open > open[1] and
open < close[1];
def IsLongBlack = IsLongBlack(length);
def IsLongWhite = IsLongWhite(length);
def ThreeBlackCrows = IsLongBlack[2] and
IsLongBlack[1] and
IsLongBlack and
IsCloseLower[1] and
IsCloseLower and
IsOpenWithinBlackBody[1] and
IsOpenWithinBlackBody;
def ThreeWhiteSoldiers = IsLongWhite[2] and
IsLongWhite[1] and
IsLongWhite and
IsCloseHigher[1] and
IsCloseHigher and
IsOpenWithinWhiteBody[1] and
IsOpenWithinWhiteBody;

plot Bearish = IsDescending(close, trendSetup)[3] and
ThreeBlackCrows[1] and
open < low[1] and
close > open[3];

plot Bullish = IsAscending(close, trendSetup)[3] and
ThreeWhiteSoldiers[1] and
open > high[1] and
close < open[3];

Bearish.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_DOWN);
Bearish.SetDefaultColor(GetColor(1));
Bearish.SetLineWeight(2);
Bullish.SetPaintingStrategy(PaintingStrategy.BOOLEAN_ARROW_UP);
Bullish.SetDefaultColor(GetColor(2));
Bullish.SetLineWeight(2);
### * I'm a First time user *

 

[ElvisBob]

I have a little problem with Patterns_CandleSticks (ThreeLineStrike)
it Said at the bottom (Exactly one plot expected)
Can anyone Help me out? Please