System.IndexOutOfRangeException: "Index was outside the bounds of the array."

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Threading;
using System.Diagnostics;
using System.Runtime.InteropServices;
 
[System.Runtime.InteropServices.ComVisible(true)]
[System.Serializable]
public sealed class IndexOutOfRangeException : SystemException { }
 
   
 
namespace GodMode
{
    class Program
    {
 
       
        [DllImport("user32.dll")]
        static extern short GetAsyncKeyState(int vKey);
 
        static string processName = "gta_sa";
 
      
        static int playerAddress = 0xB6F5F0;
        static int playerHealthOffset = 0x540;
 
        // toggles
        static bool godMode;
 
        private static void Main(string[]args) 
        {
            
            VAMemory vam = new VAMemory(processName);
 
     
            int baseAddress = (int)Process.GetProcessesByName(processName)[0].MainModule.BaseAddress;
 
 
            int playerBaseAddress = vam.ReadInt32((IntPtr)baseAddress + playerAddress);
 
 
            int playerHealthAddress = playerBaseAddress + playerHealthOffset;
 
           
            var playerHealth = vam.ReadFloat((IntPtr)playerHealthAddress);
 
            Console.WriteLine("Current Player Health: " + playerHealth);
 
            while (true) // infinite loop
            {
                if (GetAsyncKeyState(74) != 0) // J
                {
                    godMode = !godMode; 
                    Console.WriteLine("God Mode: " + godMode);
                    Console.Beep(godMode ? 5000 : 500, 250); 
                    Thread.Sleep(250);
                }
 
                if (godMode) // if god mode loop
                {
                    vam.WriteFloat((IntPtr)playerHealthAddress, 100); 
                }
 
                Thread.Sleep(10); 
            }
        }
    }
}