Error: SSL Connection error in MySQL using C# Asp.Net 6

 public async Task<int> MultipleInserBook(List<BookInfoEntities> books)
{
    try
    {
        if (books == null || !books.Any()) return 0;

        int countRecod = 0;
        StringBuilder buildSql = new StringBuilder();
        buildSql.Append("INSERT INTO tbltoken_spamblacklist(bookname, author, price, totalBook, createddate, status) VALUES ");
       
        foreach (var book in books)
        {
            buildSql.AppendFormat("('{0}', '{1}', {2}, {3}, {4}, {5})", book.bookname, token.author, token.price, token.totalBook, Utils.DateTimeToUnix(DateTime.Now), 1);
            countRecod++;
            if (countRecod >= 1 && countRecod < books.Count) {
                buildSql.Append(",");
            }
        }

        string connectionString = MySqlConnectorHelper.GetConnectionString(ConnectionEntity.DBPosition.Default);
        return await MySql.Data.MySqlClient.MySqlHelper.ExecuteNonQueryAsync(connectionString, buildSql.ToString());
    }
    catch (Exception ex)
    {
        throw ex;
    }
}

 MySql.Data.MySqlClient.MySqlException (0x80004005): SSL Connection error. ---> System.AggregateException: One or more errors occurred. ---> System.IO.IOException: The handshake failed due to an unexpected packet format.
   at System.Net.Security.SslStream.StartReadFrame(Byte[] buffer, Int32 readBytes, AsyncProtocolRequest asyncRequest)
   at System.Net.Security.SslStream.PartialFrameCallback(AsyncProtocolRequest asyncRequest)
--- End of stack trace from previous location where exception was thrown ---
   at System.Net.Security.SslStream.ThrowIfExceptional()
   at System.Net.Security.SslStream.InternalEndProcessAuthentication(LazyAsyncResult lazyResult)
   at System.Net.Security.SslStream.EndProcessAuthentication(IAsyncResult result)
   at System.Net.Security.SslStream.EndAuthenticateAsClient(IAsyncResult asyncResult)
   at System.Net.Security.SslStream.<>c.<AuthenticateAsClientAsync>b__64_2(IAsyncResult iar)
   at System.Threading.Tasks.TaskFactory`1.FromAsyncCoreLogic(IAsyncResult iar, Func`2 endFunction, Action`1 endAction, Task`1 promise, Boolean requiresSynchronization)