问无法从程序集'System.Runtime.CompilerServices.AsyncVoidMethodBuilder‘、Version=4.2.2.0、Culture=neutral加载类型

EN

[assembly: FunctionsStartup(typeof(Startup))]
namespace MessageReceiver
{
    public class Startup : FunctionsStartup
    {
        public override void Configure(IFunctionsHostBuilder builder)
        {
            builder.Services.AddTransient<IMailSender, MailSender>();
        }
    }
}

namespace ProcessReportRequests
{
    public class MessageReceiverDataFunction
    {
        private const string QUEUE_NAME = "message-queue";
        private readonly IMailSender _mailSender;
        private readonly ILogger<MessageReceiverDataFunction> _log;
        public MessageReceiverDataFunction(IMailSender mailSender, ILogger<MessageReceiverDataFunction> log)
        {
            _mailSender = mailSender ?? throw new ArgumentNullException(nameof(mailSender));
            _log = log ?? throw new ArgumentNullException(nameof(log));
        }

        [FunctionName("MessageReceiver")]
        public void Run([QueueTrigger(QUEUE_NAME, Connection = "StorageConnectionString")] string queueMessage)
        {
            _mailSender.SendPlaintextMail("my.test@gmail.com", "mytest");
            _log.LogInformation($"C# Queue trigger function processed: {queueMessage}");
        }
    }
}

public interface IMailSender
{
    void SendPlaintextMail(string recipientEmail, string recipientName);
}

public class MailSender : IMailSender
{
    public MailSender()
    {
    }

    public async void SendPlaintextMail(string recipientEmail, string recipientName)
    {
        var sender = new SmtpSender(() => new SmtpClient("xxx.yyyy.zzzz")
        {UseDefaultCredentials = false, Port = 10, Credentials = new NetworkCredential(recipientEmail, "xxxxxxxxxxxxxx"), EnableSsl = true, });
        Email.DefaultSender = sender;
        var email = await Email.From(emailAddress: "my.test@sendermail.com").To(emailAddress: recipientEmail, name: recipientName).Subject(subject: "Testing Email Subject").Body(body: "This is a plain text message").SendAsync();
    }
}

2022-05-11T19:53:58.654 [Error] Executed 'MessageReceiver' (Failed, Id=f13f0402-7c74-4f39-a9e1-a65fa8f61af9, Duration=3ms)Could not load type 'System.Runtime.CompilerServices.AsyncVoidMethodBuilder' from assembly 'System.Runtime, Version=4.2.2.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a'.