MySQL Error when using the API to update my list

try
	{
		string url = "http://myanimelist.net/api/animelist/update/" + id + ".xml";
		HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
		request.Method = "POST";	//the type of request
		request.Credentials = new NetworkCredential(un, pw);	//authentication details
		request.ContentType = "text/xml; encoding='utf-8'";

		string xmlDoc = "<?xml version="1.0" encoding="UTF-8"?>n" +
					"<entry>n" +
					"\t<episode></episode>n" +
					"\t<status>1</status>n" +
					"\t<score></score>n" +
					"\t<storage_type></storage_type>n" +
					"\t<storage_value></storage_value>n" +
					"\t<times_rewatched></times_rewatched>n" +
					"\t<rewatch_value></rewatch_value>n" +
	               			"\t<date_start></date_start>n" +
					"\t<date_finish></date_finish>n" +
					"\t<priority></priority>n" +
					"\t<enable_discussion></enable_discussion>n" +
					"\t<enable_rewatching></enable_rewatching>n" +
					"\t<comments></comments>n" +
					"\t<fansub_group></fansub_group>n" +
					"\t<tags></tags>n" +
		        		"</entry>";
			byte[] docBytes;
			docBytes = System.Text.Encoding.ASCII.GetBytes(xmlDoc);	//need to encode the data properly
			request.ContentLength = docBytes.Length;

			Stream requestStream = request.GetRequestStream();
			requestStream.Write(docBytes, 0, docBytes.Length);
			requestStream.Close();

			HttpWebResponse response = request.GetResponse() as HttpWebResponse;

			if (response.StatusCode == HttpStatusCode.OK)
			{
				Stream responseStream = response.GetResponseStream();
				string responseStr = new StreamReader(responseStream).ReadToEnd();
				Console.WriteLine(responseStr);
			}
		}

		catch (Exception e)
		{
			Console.WriteLine(e.Message);
		}