Cannot use a mutable variable as an argument of the request.security function.

Greetings, I am working on a scanning program, but it gives the error you see in the title, I could not solve it, I would appreciate if you could help.

my codes are below

// This source code is subject to the terms of the Mozilla Public License 2.0 at https://mozilla.org/MPL/2.0/
// © egemynet

//@version=5

indicator('ertekin rend Magic + ema', overlay=true, format=format.price, precision=2)

colorred = #ff0404
colorblue = #298cff
colorgreen = #008f06
colorblack = #000000
colorbrown = #b40b00

////////////////////////////////////////////////////// fibo ///////////////////////////////////////////////////////////

FPeriod = input(144, title='Fibo Period', tooltip=Bu şartları listeler\n alis = k > k [1] and kb > kb[1] and tpl== 3 and up1 \n satis = k < k [1] and kb < kb[1] and tpl== 0 and down1, group='Auto Fibo')
plotF1618 = input(title='Plot 1.618 Level?', defval=false, group='Auto Fibo')

Fhigh = ta.highest(FPeriod)
Flow = ta.lowest(FPeriod)
FH = ta.highestbars(high, FPeriod)
FL = ta.lowestbars(low, FPeriod)
downfibo = FH < FL

F0 = downfibo ? Flow : Fhigh
F236 = downfibo ? (Fhigh - Flow) * 0.236 + Flow : Fhigh - (Fhigh - Flow) * 0.236
F382 = downfibo ? (Fhigh - Flow) * 0.382 + Flow : Fhigh - (Fhigh - Flow) * 0.382
F500 = downfibo ? (Fhigh - Flow) * 0.500 + Flow : Fhigh - (Fhigh - Flow) * 0.500
F618 = downfibo ? (Fhigh - Flow) * 0.618 + Flow : Fhigh - (Fhigh - Flow) * 0.618
F786 = downfibo ? (Fhigh - Flow) * 0.786 + Flow : Fhigh - (Fhigh - Flow) * 0.786
F1000 = downfibo ? (Fhigh - Flow) * 1.000 + Flow : Fhigh - (Fhigh - Flow) * 1.000
F1618 = downfibo ? (Fhigh - Flow) * 1.618 + Flow : Fhigh - (Fhigh - Flow) * 1.618

Fcolor = downfibo ? #6A1B9A : #6A1B9A //#00b300 : #E41019
Foffset = downfibo ? FH : FL

up_ = ta.crossover(close[1],F236) or ta.crossover(close[1],F382) or ta.crossover(close[1],F500) or ta.crossover(close[1],F618) or ta.crossover(close[1],F786)
down_ = ta.crossunder(close[1],F236) or ta.crossunder(close[1],F382) or ta.crossunder(close[1],F500) or ta.crossunder(close[1],F618) or ta.crossunder(close[1],F786)
alertcondition(up_ or down_, title = Alarm, message = Beklenen oldu...)

plot(F0, color=Fcolor, linewidth=2, style=plot.style_circles, trackprice=true, show_last=1, title='0', transp=0)
plot(F236, color=Fcolor, linewidth=2, style=plot.style_circles, trackprice=true, show_last=1, title='0.236', transp=0)
plot(F382, color=Fcolor, linewidth=2, style=plot.style_circles, trackprice=true, show_last=1, title='0.382', transp=0)
plot(F500, color=Fcolor, linewidth=2, style=plot.style_circles, trackprice=true, show_last=1, title='0.5', transp=0)
plot(F618, color=Fcolor, linewidth=2, style=plot.style_circles, trackprice=true, show_last=1, title='0.618', transp=0)
plot(F786, color=Fcolor, linewidth=2, style=plot.style_circles, trackprice=true, show_last=1, title='0.786', transp=0)
plot(F1000, color=Fcolor, linewidth=2, style=plot.style_circles, trackprice=true, show_last=1, title='1', transp=0)
plot(plotF1618 and F1618 ? F1618 : na, color=Fcolor, linewidth=3, trackprice=true,show_last=1, title='1.618', transp=0)

///////////////////////////////////////////////// trend magic ///////////////////////////////////////////////////

period = input(20, 'CCI period', group=Trend Magic)
coeff = input(1, 'ATR Multiplier', group=Trend Magic)
AP = input(5, 'ATR Period', group=Trend Magic)
ATR = ta.sma(ta.tr, AP)
src_ = input(close, group=Trend Magic)
upT = low - ATR * coeff
downT = high + ATR * coeff
MagicTrend = 0.0
MagicTrend := ta.cci(src_, period) >= 0 ? upT < nz(MagicTrend[1]) ? nz(MagicTrend[1]) : upT : downT > nz(MagicTrend[1]) ? nz(MagicTrend[1]) : downT
color1 = ta.cci(src_, period) >= 0 ? #0022FC : #FC0400
plot(MagicTrend, color=color1, linewidth=3)

///////////////////////////////////////////////// ema ///////////////////////////////////////////////////

ema = ta.ema(close, 100)
plot(ema, ema 100, color= color.green, linewidth=2)

///////////////////////////////////////////////// tarama ///////////////////////////////////////////////////

up = ta.crossover(MagicTrend, ema) and close > ema
down = ta.crossunder(MagicTrend, ema) and close < ema

////////////////////////////////////////////////// fonksiyon /////////////////////////////////////////////////////////////

customFunc() => (up or down)
sure = '15'

s1 = request.security(ticker.heikinashi('BTCUSDTPERP '), sure, customFunc())
s2 = request.security(ticker.heikinashi('ETHUSDTPERP '), sure, customFunc())
s3 = request.security(ticker.heikinashi('BNBUSDTPERP '), sure, customFunc())
s4 = request.security(ticker.heikinashi('ADAUSDTPERP '), sure, customFunc())
s5 = request.security(ticker.heikinashi('SOLUSDTPERP '), sure, customFunc())
s6 = request.security(ticker.heikinashi('XRPUSDTPERP '), sure, customFunc())
s7 = request.security(ticker.heikinashi('LUNAUSDTPERP '), sure, customFunc())
s8 = request.security(ticker.heikinashi('DOGEUSDTPERP '), sure, customFunc())
s9 = request.security(ticker.heikinashi('DOTUSDTPERP '), sure, customFunc())
s10= request.security(ticker.heikinashi('AVAXUSDTPERP '), sure, customFunc())
s11= request.security(ticker.heikinashi('MATICUSDTPERP '), sure, customFunc())
s12= request.security(ticker.heikinashi('ATOMUSDTPERP '), sure, customFunc())
s13= request.security(ticker.heikinashi('LTCUSDTPERP '), sure, customFunc())
s14= request.security(ticker.heikinashi('LINKUSDTPERP '), sure, customFunc())
s15= request.security(ticker.heikinashi('NEARUSDTPERP '), sure, customFunc())
s16= request.security(ticker.heikinashi('UNIUSDTPERP '), sure, customFunc())
s17= request.security(ticker.heikinashi('ALGOUSDTPERP '), sure, customFunc())
s18= request.security(ticker.heikinashi('TRXUSDTPERP '), sure, customFunc())
s19= request.security(ticker.heikinashi('BCHUSDTPERP '), sure, customFunc())
s20= request.security(ticker.heikinashi('FTMUSDTPERP '), sure, customFunc())
s21= request.security(ticker.heikinashi('XLMUSDTPERP '), sure, customFunc())
s22= request.security(ticker.heikinashi('MANAUSDTPERP '), sure, customFunc())
s23= request.security(ticker.heikinashi('ICPUSDTPERP '), sure, customFunc())
s24= request.security(ticker.heikinashi('HBARUSDTPERP '), sure, customFunc())
s25= request.security(ticker.heikinashi('VETUSDTPERP '), sure, customFunc())
s26= request.security(ticker.heikinashi('SANDUSDTPERP '), sure, customFunc())
s27= request.security(ticker.heikinashi('ETCUSDTPERP '), sure, customFunc())
s28= request.security(ticker.heikinashi('KLAYUSDTPERP '), sure, customFunc())
s29= request.security(ticker.heikinashi('FILUSDTPERP '), sure, customFunc())
s30= request.security(ticker.heikinashi('EGLDUSDTPERP '), sure, customFunc())
s31= request.security(ticker.heikinashi('HNTUSDTPERP '), sure, customFunc())
s32= request.security(ticker.heikinashi('THETAUSDTPERP '), sure, customFunc())
s33= request.security(ticker.heikinashi('AXSUSDTPERP '), sure, customFunc())
s34= request.security(ticker.heikinashi('XMRUSDTPERP '), sure, customFunc())
s35= request.security(ticker.heikinashi('XTZUSDTPERP '), sure, customFunc())
s36= request.security(ticker.heikinashi('EOSUSDTPERP '), sure, customFunc())
s37= request.security(ticker.heikinashi('ONEUSDTPERP '), sure, customFunc())
s38= request.security(ticker.heikinashi('AAVEUSDTPERP '), sure, customFunc())
s39= request.security(ticker.heikinashi('GRTUSDTPERP '), sure, customFunc())

src_label = 'TM + ema 1\n------------\n'
src_label := s1 ? src_label + '01- BTC \n' : src_label

src_label := s2 ? src_label + '02- ETH \n' : src_label

src_label := s3 ? src_label + '03- BNB \n' : src_label

src_label := s4 ? src_label + '04- ADA \n' : src_label

src_label := s5 ? src_label + '05- SOL \n' : src_label

src_label := s6 ? src_label + '06- XRP \n' : src_label

src_label := s7 ? src_label + '07- LUNA \n' : src_label

src_label := s8 ? src_label + '08- DOGE \n' : src_label

src_label := s9 ? src_label + '09- DOT \n' : src_label

src_label := s10 ? src_label + '10- AVAX \n' : src_label

src_label := s11 ? src_label + '11- MATIC \n' : src_label

src_label := s12 ? src_label + '12- ATOM \n' : src_label

src_label := s13 ? src_label + '13- LTC \n' : src_label

src_label := s14 ? src_label + '14- LINK \n' : src_label

src_label := s15 ? src_label + '15- NEAR \n' : src_label

src_label := s16 ? src_label + '16- UNI \n' : src_label

src_label := s17 ? src_label + '17- ALGO \n' : src_label

src_label := s18 ? src_label + '18- TRX \n' : src_label

src_label := s19 ? src_label + '19- BCH \n' : src_label

src_label := s20 ? src_label + '20- FTM \n' : src_label

src_label := s21 ? src_label + '21- XLM \n' : src_label

src_label := s22 ? src_label + '22- MANA \n' : src_label

src_label := s23 ? src_label + '23- ICP \n' : src_label

src_label := s24 ? src_label + '24- HBAR \n' : src_label

src_label := s25 ? src_label + '25- VET \n' : src_label

src_label := s26 ? src_label + '26- SAND \n' : src_label

src_label := s27 ? src_label + '27- ETC \n' : src_label

src_label := s28 ? src_label + '28- KLAY \n' : src_label

src_label := s29 ? src_label + '29- FIL \n' : src_label

src_label := s30 ? src_label + '30- EGLD \n' : src_label

src_label := s31 ? src_label + '31- HNT \n' : src_label

src_label := s32 ? src_label + '32- THETA \n' : src_label

src_label := s33 ? src_label + '33- AXS \n' : src_label

src_label := s34 ? src_label + '34- XMR \n' : src_label

src_label := s35 ? src_label + '35- XTZ \n' : src_label

src_label := s36 ? src_label + '36- EOS \n' : src_label

src_label := s37 ? src_label + '37- ONE \n' : src_label

src_label := s38 ? src_label + '38- AAVE \n' : src_label

src_label := s39 ? src_label + '39- GRT \n' : src_label

aaa = label.new(time, close, src_label, color=colorgreen, textcolor=color.white, size=size.normal, style=label.style_label_left, textalign=text.align_left, xloc=xloc.bar_time)
label.set_x(id=aaa, x=label.get_x(id=aaa) + 1110000)
label.delete(aaa[1])

Maybe this will help: https://quantnomad.com/faq-cannot-use-a-mutable-variable-as-an-argument-of-the-security-function-how-to-fix/

Anonymous:
Maybe this will help: https://quantnomad.com/faq-cannot-use-a-mutable-variable-as-an-argument-of-the-security-function-how-to-fix/

yes i saw that but i couldn't apply it to my project dude

Check out this scanner as a guide and you can decrease the size of that code tremendously as it really boggs down TV on these scanner type scripts. https://www.tradingview.com/script/yhEM8KVI-Counting-Stars-Overlay-Market-Overview-Series/