System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:04
System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:05
System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:05
System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:06
System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:06
System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:07
System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:07
System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:08
System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:08
System.Net.WebException: The remote server returned an error: (503) Server Unavailable.
   at System.Net.WebClient.UploadDataInternal(Uri address, String method, Byte[] data, WebRequest& request)
   at System.Net.WebClient.UploadData(Uri address, String method, Byte[] data)
   at SMSSender.insertTinySMS() >>> 18-11-2023 17:58:09
MySql.Data.MySqlClient.MySqlException (0x80004005): Fatal error encountered during command execution. ---> MySql.Data.MySqlClient.MySqlException (0x80004005): Fatal error encountered attempting to read the resultset. ---> MySql.Data.MySqlClient.MySqlException (0x80004005): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
   at MySql.Data.MySqlClient.MySqlStream.OpenPacket()
   at MySql.Data.MySqlClient.NativeDriver.ReadResult(UInt64& affectedRows, Int64& lastInsertId)
   at MySql.Data.MySqlClient.MySqlDataReader.GetResultSet()
   at MySql.Data.MySqlClient.MySqlDataReader.NextResult()
   at MySql.Data.MySqlClient.MySqlDataReader.NextResult()
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior)
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior)
   at MySql.Data.MySqlClient.MySqlCommand.ExecuteNonQuery()
   at MySqlHelper.ExecuteNonQuery(MySqlTransaction transaction, CommandType commandType, String commandText, MySqlParameter[] commandParameters)
   at MySqlHelper.ExecuteNonQuery(MySqlTransaction transaction, CommandType commandType, String commandText)
   at DBmanager.ExecuteDML(String strQuery)
   at SMSSender.insertTinySMS()