Discord Game API Overlay Crash

using System;
using System.Threading;

// Causes: https://youtu.be/yQ8G4XwoyL8

class Program
{
    static void Main(string[] args)
    {
        // Provide one in code
        long clientId = -1;
        // ... or have it prompted.
        if (clientId == -1)
        {
            Console.Write("Enter clientId: ");
            string clientIdStr = Console.ReadLine();
            clientId = long.Parse(clientIdStr);
        }

        Console.WriteLine("Enter 0 below if you have only one Discord client.");
        Console.Write("DISCORD_INSTANCE_ID: ");
        string instanceID = Console.ReadLine();

        Environment.SetEnvironmentVariable("DISCORD_INSTANCE_ID", instanceID);

        var discord = new Discord.Discord(clientId, (ulong)Discord.CreateFlags.Default);
        discord.SetLogHook(Discord.LogLevel.Debug, (level, message) =>
        {
            Console.WriteLine("Log[{0}] {1}", level, message);
        });

        var userManager = discord.GetUserManager();
        userManager.OnCurrentUserUpdate += () =>
        {
            // To show everything is working properly.
            var currentUser = userManager.GetCurrentUser();
            Console.WriteLine($"Current user is {currentUser.Username}.");
            //Console.WriteLine(currentUser.Id);
            Console.WriteLine("So the API is working fine right now.");
            Console.WriteLine();
        };

        var overlayManager = discord.GetOverlayManager();

        try
        {
            Console.WriteLine("Press Q to quit.");
            Console.WriteLine();
            Console.WriteLine("Press O to open voice settings overlay.");
            Console.WriteLine("Keep an eye on Discord when you do so.");

            while (true)
            {
                discord.RunCallbacks();
                Thread.Sleep(1000 / 60);

                if (Console.KeyAvailable)
                {
                    ConsoleKeyInfo key = Console.ReadKey(true);
                    if (key.Key == ConsoleKey.Q)
                        break;

                    if (key.Key == ConsoleKey.O)
                    {
                        Console.WriteLine("Opening overlay...");
                        overlayManager.OpenVoiceSettings((result) =>
                        {
                            Console.WriteLine($"Result was {result}.");
                        });
                        Console.WriteLine("Signaled open overlay.");
                    }
                }
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error: {ex}");
        }
        finally
        {
            Console.WriteLine("Closing...");
            discord.Dispose();
        }
    }
}