CBOT Error after update 4.3.9

Hello Team,

I have a Cbot works with Windows form which is created by a developer. This bot was working fine in Ctrader 4.1 but after the update it showed me lot of error, by searching in internet I able to fix the errors and build succeeded with .Net 6. When I run the Cbot windows form was opening immediately I get the error as below and Cbot is stopped

26/08/2022 12:25:04.102 | CBot instance [VadivelanZone_V11, XAUUSD, h1] crashed with error "Unable to invoke target method in current thread. Use `BeginInvokeOnMainThread` method to prevent this error."
26/08/2022 12:25:04.087 | Unable to invoke target method in current thread. Use `BeginInvokeOnMainThread` method to prevent this error.
26/08/2022 12:25:04.087 | timer1_Tick() is showing error
26/08/2022 12:24:57.930 | CBot instance [VadivelanZone_V11, XAUUSD, h1] started.

I am not sure which causes the error, because I am not a developer. I also don't know whether it uses .net 4.X or .net 6

Please help me to fix the error.

using System;
using System.Linq;
using cAlgo.API;
using cAlgo.API.Indicators;
using cAlgo.API.Internals;
using cAlgo.Indicators;
using FeatureFXlib;
using System.Collections;
using System.Collections.Generic;
using System.Threading;
using System.IO;
using System.Windows.Forms;
using cAlgo.API.Alert;
using cAlgo.API.Alert.Utility;
using WMPLib;
using MessageBox = System.Windows.Forms.MessageBox;

namespace cAlgo.Robots
{
    [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.FullAccess)]
    public class VadivelanZone_V11 : Robot
    {
        [Parameter("Remove Olverlapping", Group = "FEATURE", DefaultValue = true)]
        public bool overlapping { get; set; }
        [Parameter("Sound Alert", Group = "FEATURE", DefaultValue = true)]
        public bool soundalert { get; set; }
        [Parameter("Filter Strong Signal", Group = "FEATURE", DefaultValue = true)]
        public bool strongSignal { get; set; }
        [Parameter("Signal remove Delay", Group = "FEATURE", DefaultValue = 15, MinValue = 1)]
        public int signalRemoveDelay { get; set; }
        [Parameter("DrawUI", Group = "FEATURE", DefaultValue = true)]
        public bool drawUI { get; set; }

        [Parameter("Symbol max Trade", Group = "AUTO MODE 1st", DefaultValue = 1, MinValue = 1)]
        public int symbolMaxTrade { get; set; }
        [Parameter("Net max Trade", Group = "AUTO MODE 1st", DefaultValue = 1, MinValue = 1)]
        public int netMaxTrade { get; set; }
        [Parameter("TP", Group = "AUTO MODE 1st", DefaultValue = 1.3, MinValue = 0)]
        public double TP { get; set; }
        [Parameter("SL", Group = "AUTO MODE 1st", DefaultValue = 1, MinValue = 0)]
        public double SL { get; set; }
        [Parameter("ATR based", Group = "AUTO MODE 1st", DefaultValue = true)]
        public bool isATR { get; set; }
        [Parameter("ATR Period", Group = "AUTO MODE 1st", DefaultValue = 15, MinValue = 1)]
        public int atrPeriod { get; set; }

        [Parameter("minVolume:PF ratio ($)", Group = "AUTO MODE 2nd", DefaultValue = 0.1, MinValue = 0)]
        public double profitfactor { get; set; }
        [Parameter("EMA Period", Group = "AUTO MODE 2nd", DefaultValue = 15, MinValue = 1)]
        public int emaPeriod { get; set; }

        [Parameter("TOP", Group = "TIMEFRAME")]
        public TimeFrame toptf { get; set; }
        [Parameter("MID", Group = "TIMEFRAME")]
        public TimeFrame midtf { get; set; }
        [Parameter("LOW", Group = "TIMEFRAME")]
        public TimeFrame lowtf { get; set; }
        [Parameter("TOP back Zones", Group = "TIMEFRAME", DefaultValue = 5, MinValue = 1)]
        public int topbackZones { get; set; }
        [Parameter("MID back zones", Group = "TIMEFRAME", DefaultValue = 10, MinValue = 1)]
        public int midbackZones { get; set; }
        [Parameter("LOW back zones", Group = "TIMEFRAME", DefaultValue = 15, MinValue = 1)]
        public int lowbackZones { get; set; }

        //-----------------CUSTOM PARAMETERS
        FeatureFX API = new FeatureFX();
        BarFX bar = new BarFX();

        Dictionary<string, indicatorsFX> indicatorTop = new Dictionary<string, indicatorsFX>();
        Dictionary<string, indicatorsFX> indicatorMid = new Dictionary<string, indicatorsFX>();
        Dictionary<string, indicatorsFX> indicatorLow = new Dictionary<string, indicatorsFX>();
        Dictionary<string, VolumeROC> volumeIndicator = new Dictionary<string, VolumeROC>();
        Dictionary<string, AverageTrueRange> ATR = new Dictionary<string, AverageTrueRange>();

        Dictionary<string, Bars> topBar = new Dictionary<string, Bars>();
        Dictionary<string, Bars> midBar = new Dictionary<string, Bars>();
        Dictionary<string, Bars> lowBar = new Dictionary<string, Bars>();

        Dictionary<string, double> topGap = new Dictionary<string, double>();
        Dictionary<string, double> midGap = new Dictionary<string, double>();
        Dictionary<string, double> lowGap = new Dictionary<string, double>();

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

        List<ChartText> textObj = new List<ChartText>();
        List<ChartRectangle> recObj = new List<ChartRectangle>();
        List<int> delindex = new List<int>();
        List<int> no_table = new List<int>();
        List<int> delay_table = new List<int>();
        List<string> symbol_table = new List<string>();

        Thread thread;
        Form1 form = new Form1();
        DataGridView table;
        ControlBase panel;
        int timeCount = 0;
        int alertCount = 0;
        int signalCount = 0;
        bool autoMode = false;
        bool autoMode2 = false;
       
    protected override void OnStart()
        {
            playDesktopAudio("FXaudio", "swiftly.mp3");
            bar.glob = MarketData;
            table = form.dataGridView1;
            bar.AddCustomListCurrencies(EURGBP, EURAUD, GBPAUD, EURNZD, GBPNZD);

            foreach (var sym in bar.customList)
            {
                topBar.Add(sym, bar.@get(toptf, sym));
                midBar.Add(sym, bar.@get(midtf, sym));
                lowBar.Add(sym, bar.@get(lowtf, sym));
                indicatorTop.Add(sym, new indicatorsFX());
                indicatorMid.Add(sym, new indicatorsFX());
                indicatorLow.Add(sym, new indicatorsFX()); 
            }

            API.drawPanelButton("Execute", Chart, panel, IndicatorStart, VerticalAlignment.Bottom, cAlgo.API.HorizontalAlignment.Right);
            Chart.DrawIcon("start", ChartIconType.Circle, Bars.OpenTimes.LastValue, Bars.ClosePrices.LastValue, Color.White);
            formINIT();
        }

        bool Execute = false;
        double gap = 0;
        void IndicatorStart()
        {
            if (!Execute)
            {
                playDesktopAudio("FXaudio", "swiftly.mp3");
                foreach (var sym in bar.customList)
                {
                    indicatorTop[sym].Zones.onStart(topBar[sym]);
                    indicatorMid[sym].Zones.onStart(midBar[sym]);
                    indicatorLow[sym].Zones.onStart(lowBar[sym]);
                }
                Execute = true;
                findGap();
                Timer.TimerTick += Timer_TimerTick;
                Timer.Start(TimeSpan.FromMinutes(1));
            }
            else
            {
                API.openForm(thread, form);
                updateTable();
            }
        }
        void IndicatorUpdate()
        {
            if (Execute)
                foreach (var sym in bar.customList)
                {
                    indicatorTop[sym].Zones.update(topBar[sym]);
                    indicatorMid[sym].Zones.update(midBar[sym]);
                    indicatorLow[sym].Zones.update(lowBar[sym]);
                }
        }
        protected override void OnTick()
        {
            try
            {
                IndicatorUpdate();
            } catch
            {
                Print("OnTick() is showing error");
            }
        }
        protected override void OnStop()
        {
            form.Close();
        }
        protected override void OnBar()
        {
        }
        private void Timer_TimerTick()
        {
            timeCount++;
            try
            {
                TopZonesFltr();
                MidZonesFltr();
                LowZonesFltr();
                TopZoneFltr_Update();
                MidZoneFltr_Update();
                LowZoneFltr_Update();
                if (drawUI)
                    drawZonesUI();
            } catch
            {
                Print("Timer_TimerTick() is showing error");
            }
        }
        private void timer1_Tick(object sender, EventArgs e)
        {
            try
            {
                avgSL();
                if (TriggerScrollBTN)
                {
                    update2ndmodificationColumn();
                    updateTable();
                }
                expirePendingOrder();
            } catch
            {
                Print("timer1_Tick() is showing error");
            }
        }
        private void timer2_Tick(object sender, EventArgs e)
        {
            try
            {
                atrSL();
            } catch
            {
                Print("timer2_Tick() is showing error");
            }
        }

Above is the extract of my Cbot Code, full code is more than 2000 lines, so I can share my email or telegram. Please advice

Thanks and Regards

R. Vadivelan