Error when submitting exceptions

I get the ReSharper exception submission dialog, hit Submit and get this.
It's been happening for months.

-

Error submitting exception
-

Error submitting exception to ITN:
System.Net.WebException: The remote server returned an error: (400) Bad
Request.

at System.Net.HttpWebRequest.CheckFinalStatus()

at System.Net.HttpWebRequest.EndGetResponse(IAsyncResult asyncResult)

at System.Net.HttpWebRequest.GetResponse()

at JetBrains.ExceptionReport.ITNProxy.Post(String url, Hashtable
paramsHash, IWebProxy proxy) in
c:\TEMP\tmp14C0.tmp\src\JetBrainsShared\ExceptionReport\ITNProxy.cs:line 109

at JetBrains.ExceptionReport.ITNProxy.PostNewThread(String product,
String title, String description, String userName, String password, Int32
buildNumber, String osVersion, IWebProxy proxy) in
c:\TEMP\tmp14C0.tmp\src\JetBrainsShared\ExceptionReport\ITNProxy.cs:line 34

at JetBrains.ExceptionReport.ITNExceptionSubmitter.SubmitException(String
excString, String excMessage, String excStackTrace, String description,
String itnUserName, String itnPassword, Int32 buildNumber, String osVersion,
IWebProxy proxy) in
c:\TEMP\tmp14C0.tmp\src\JetBrainsShared\ExceptionReport\ExceptionSubmitter.cs:line
116

at
JetBrains.ExceptionReport.ITNExceptionSubmitter.SubmitException(Exception e,
String description, String userName, String password, Int32 buildNumber,
IWebProxy proxy) in
c:\TEMP\tmp14C0.tmp\src\JetBrainsShared\ExceptionReport\ExceptionSubmitter.cs:line
83

at JetBrains.ExceptionReport.ExceptionReportForm._btnSubmit_Click(Object
sender, EventArgs e) in
c:\TEMP\tmp14C0.tmp\src\JetBrainsShared\ExceptionReport\ExceptionReportForm.cs:line
444
-

OK
-