Error in message board. Please help

[Muroyal]

_SECTION_BEGIN(" NMA VARIABLE SL AND PROFIT");
SetChartOptions(1,chartShowArrows|chartShowDates);
RequestTimedRefresh( 1 );
GraphXSpace=5;
HaClose = (O+H+L+C)/4;
HaOpen = AMA( Ref( HaClose, -1 ), 0.8);
HaHigh = Max( H, Max( HaClose, HaOpen ) );
HaLow = Min( L, Min( HaClose, HaOpen ) );
xDiff = (HaHigh - Halow) * IIf(StrFind(Name(),"JPY"),100,10000);
barcolor = IIf(HaClose >= HaOpen,colorWhite,colorWhite);
if( ParamToggle("Plot Heikin-Ashi", "No,Yes", 0 ) )
PlotOHLC( HaOpen, HaHigh, HaLow, HaClose, Name(), colorWhite, styleCandle );
else
Plot( C, "Regular candles " + Name(), colorWhite, styleCandle );
j=Haclose;
//P = ParamField("Price field",-1);
//PRICE LINE
PriceLineColor = PriceLineColor= colorCustom11;
PriceLevel = C;
Daysback = 200;
FirstBar = BarCount - DaysBack;
YY = IIf(BarIndex() >= Firstbar,EndValue(PriceLevel),Null);
Plot(YY,"Current Price",PriceLineColor,ParamStyle("LineStyle",styleLine|styleDashed|styleNoTitle|styleThick,maskAll));
side = 1;
dist = 0;

//Magfied Market Price
FS=20;
GfxSelectFont("Times New Roman", FS, 700, True );
GfxSetBkMode( colorWhite );
GfxSetTextColor (colorBrightGreen );
Hor=1;
Ver=8;
GfxTextOut(""+C, Hor , Ver );
YC=TimeFrameGetPrice("C",inDaily,-1);
DD=Prec(C-YC,2);
xx=Prec((DD/YC)*100,2);
GfxSelectFont("Times New Roman", 11, 700, True );
GfxSetBkMode( colorBlack );
_SECTION_END();


_SECTION_BEGIN("NICK MA Swing");
EnableTextOutput(False);
SetChartOptions(0, chartShowDates);
RequestTimedRefresh(1);
Filename = StrLeft(_DEFAULT_NAME(),StrLen(_DEFAULT_NAME())-2);
_N(Title = Filename + StrFormat(" - {{DATE}} \nOpen %g, Hi %g, Lo %g, Close %g (%.1f%%) Vol " + " {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 )) ));
//VarPfx = "Btn1"; // some var that reflects the trading file
SetBarsRequired(200,0);
GraphXSpace = 5;
SetChartOptions(0,chartShowArrows|chartShowDates);
k = Optimize("K",Param("K",2.5,0.25,5,0.25),0.25,5,0.25);
Per= Optimize("atr",Param("atr",20,3,20,1),3,20,1);

//=======================================================================================================================
//=========================Indicator==============================================================================================
f=ATR(15);

rfsctor = WMA(H-L, Per);

revers = k * rfsctor;

Trend = 1;
NW[0] = 0;
NW[BarCount-1] = Null;


for(i = 1; i < BarCount-1; i++)
{
if(Trend[i-1] == 1)
{
if(j < NW[i-1])
{
Trend = -1;
NW = j + Revers;
}
else
{
Trend = 1;
if((j - Revers) > NW[i-1])
{
NW = j - Revers;
}
else
{
NW = NW[i-1];
}
}
}
if(Trend[i-1] == -1)
{
if(j > NW[i-1])
{
Trend = 1;
NW = j - Revers;
}
else
{
Trend = -1;
if((j + Revers) < NW[i-1])
{
NW = j + Revers;
}
else
{
NW = NW[i-1];
}
}
}
}
Plot(NW, "", IIf(Trend == 1, 27, 4), 4);


_SECTION_BEGIN("Breakout Setting");
beginTradeTime= ParamTime( "No trade B4 ", "091500" );
endTradeTime= Param("End Time",151000,151000,233000,10);

EndDay = ParamTime( "No trade after ", "15:09:00" );
EndDay2 = ParamTime( "close position ", "15:09:00" );

tn = TimeNum();
dn = DateNum();
Exit = Ref( tn < EndDay2, -1 ) AND ( tn >= EndDay2 OR dn < Ref( dn, 1 ) );

Buy = Sell = Short = Cover = 0;

Buy=NW<HACLOSE;
//Cover=NW<HACLOSE;
//Sell=NW>HACLOSE;
Short=NW>HACLOSE;


//Buy=Cross(J,NW);

//Short=Cross(NW,J);


Buysetup=Flip(J,NW);
Shortsetup=Flip(NW,J);

Sell=Shortsetup OR exit;
Cover=Buysetup OR exit;

Buy=ExRem(Buy,Short);
Short=ExRem(Short,Buy);

Sell=ExRem(Sell,Cover);
Cover=ExRem(Cover,Sell);

BuyPrice1=Max(Ref(C,-1),O)+0.5;// 0.5 - for better fill
ShortPrice1=Min(Ref(C,-1),O)+0.5;

sellPrice1=Min(Ref(C,-1),O)+0.5;
CoverPrice1=Max(Ref(C,-1),O)+0.5;

BuyPrice = ValueWhen(Buy,BuyPrice1); bp=NumToStr(BuyPrice,1.2);
ShortPrice = ValueWhen(Short,shortPrice1); shp=NumToStr(ShortPrice,1.2);
SellPrice = ValueWhen(Sell,sellPrice1);
CoverPrice = ValueWhen(Cover,coverPrice1);

PlotShapes( IIf( Buy, shapeUpArrow, shapeNone ), 43, layer = 0,yposition = Low, offset = -20);
PlotShapes( IIf( Short, shapeDownArrow, shapeNone ), colorRed, layer = 0, yposition = High, offset = -20); //shapeSmallCircle

//PlotShapes( IIf(Cover, shapeHollowUpArrow,shapeNone), colorAqua, layer = 0,yposition = Low, offset = 30);
//PlotShapes( IIf(Sell,shapeHollowDownArrow,shapeNone), colorPink, layer = 0, yposition = High, offset = -30);

StopLevel = Param( "Stop Loss (%)", 0.06, 0.01, 10, 0.01 );
TgtLevel = Param( "Profit target (%)", 0.25, 0.01, 10, 0.01 );

ApplyStop( stopTypeLoss, stopModePercent, StopLevel, True );
ApplyStop( stopTypeProfit, stopModePercent, TgtLevel, True );

Equity( 1, 0 );

sellcond1=Sell==1; covercond1=Cover==1;
sellcond2=Sell==2; covercond2=Cover==2;
sellcond3=Sell==3; covercond3=Cover==3;


//PlotShapes(IIf(sellcond1,shapeSmallDownTriangle,sh apeNone),colorOrange,0,H,-25);
PlotShapes(IIf(sellcond3,shapeHollowDownArrow,shapeNone),colorOrange,0,H,-15);
PlotShapes(IIf(sellcond2,shapeStar,shapeNone),colorOrange,0,H,-15);

//PlotShapes(IIf(covercond1,shapeSmallUpTriangle,sha peNone),colorLime,0,L,-25);
PlotShapes(IIf(covercond3,shapeHollowUpArrow,shapeNone),colorAqua,0,L,-25);
PlotShapes(IIf(covercond2,shapeStar,shapeNone),colorAqua,0,L,-25);

WriteIf( Sell == 1, "Regular exit",WriteIf( Sell == 3, "Profit Tgt",WriteIf( Sell == 2, "Max stop", "" ) ));
WriteIf( Cover == 1, "Regular exit",WriteIf( Cover == 3, "Profit Tgt",WriteIf( Cover == 2, "Max stop", "" ) ));

GraphXSpace=10;

_SECTION_END();


_SECTION_BEGIN("MASSAGE BOARD");

for(i=BarCount-1;i>1;i--)
{
if(Buy == 1)
{
entry = C;
sig = "BUY";
sl = Ref(NW,-1);
tar1 = entry + (entry * .00354);
tar2 = entry + (entry * .0092);
tar3 = entry + (entry * .0179);

bars = i;
i = 0;
}
if(Short == 1)
{
sig = "SELL";
entry = C ;
sl = Ref(NW,-1);
tar1 = entry - (entry * .00354);
tar2 = entry - (entry * .0092);
tar3 = entry - (entry * .0179);


bars = i;
i = 0;
}
}
Offset = 20;
Clr = IIf(sig == "BUY", colorLime, colorRed);
ssl = IIf(bars == BarCount-1, NW[BarCount-1], Ref(NW, -1));
sl = ssl[BarCount-1];

Plot(LineArray(bars-Offset, tar1, BarCount, tar1,1), "", Clr, styleLine|styleDots, Null, Null, Offset);
Plot(LineArray(bars-Offset, tar2, BarCount, tar2,1), "", Clr, styleLine|styleDots, Null, Null, Offset);
Plot(LineArray(bars-Offset, tar3, BarCount, tar3,1), "", Clr, styleLine|styleDots, Null, Null, Offset);


Plot(LineArray(bars-Offset, sl, BarCount, sl,1), "", colorDarkRed, styleLine|styleLine, Null, Null, Offset);

Plot(LineArray(bars-Offset, entry, BarCount, entry,1), "", colorYellow, styleLine|styleLine, Null, Null, Offset);


messageboard = ParamToggle("Message Board","Show|Hide",1);
if (messageboard == 1 )
{
GfxSelectFont( "Tahoma", 13, 100 );
GfxSetBkMode( 1 );
GfxSetTextColor( colorWhite );

if ( sig =="BUY")
{
GfxSelectSolidBrush( colorDarkGreen ); // this is the box background color
}
else
{
GfxSelectSolidBrush( colorRed ); // this is the box background color
}
pxHeight = Status( "pxchartheight" ) ;
xx = Status( "pxchartwidth");
Left = 1100;
width = 310;
x = 5;
x2 = 290;

y = pxHeight;

GfxSelectPen( colorGreen, 1); // broader color
GfxRoundRect( x, y - 98, x2, y , 7, 7 ) ;
GfxTextOut( ( "NMA Trading System"),13,y-100);
GfxTextOut( (" "),27,y-100);
GfxTextOut( ("Last " + sig + " Signal came " + (BarCount-bars-1) * Interval()/60 + " mins ago"), 13, y-80) ; // The text format location
GfxTextOut( ("" + WriteIf(sig =="BUY",sig + " @ ",sig + " @") + " : " + entry), 13, y-60);
GfxTextOut( ("Trailing SL : " + sl + " (" + WriteVal(IIf(sig == "SELL",entry-sl,sl-entry), 2.2) + ")"), 13, y-40);
/*GfxTextOut( ("TGT:1 : " + tar1), 13, y -80);
GfxTextOut( ("TGT:2 : " + tar2), 13,y-60);
GfxTextOut( ("TGT:3 : " + tar3), 13,y-40);*/
GfxTextOut( ("Current P/L : " + WriteVal(IIf(sig == "BUY",(C-entry),(entry-C)),2.2)), 13, y-22);

}

_SECTION_END();