Getting the following error:

Server Error in '/' Application.
The remote server returned an error: (500) Internal Server Error.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Net.WebException: The remote server returned an error: (500) Internal Server Error.

Source Error:

Line 31: url = url.Replace( Constants.CRAIGSLIST_RSS_CAT_KEY , cat );
Line 32:
Line 33: output.Add( i , new CraigslistRssFeed( url ) );
Line 34: }
Line 35: return output;


Source File: d:\hosting\zimkiv\Default.aspx Line: 33

Stack Trace:

[WebException: The remote server returned an error: (500) Internal Server Error.]
System.Net.HttpWebRequest.GetResponse() +1502171
System.Xml.XmlDownloadManager.GetNonFileStream(Uri uri, ICredentials credentials) +61
System.Xml.XmlDownloadManager.GetStream(Uri uri, ICredentials credentials) +1868480
System.Xml.XmlUrlResolver.GetEntity(Uri absoluteUri, String role, Type ofObjectToReturn) +51
System.Xml.XmlTextReaderImpl.OpenUrlDelegate(Object xmlResolver) +44
System.Threading.CompressedStack.runTryCode(Object userData) +54
System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData) +0
System.Threading.CompressedStack.Run(CompressedStack compressedStack, ContextCallback callback, Object state) +174
System.Xml.XmlTextReaderImpl.OpenUrl() +199
System.Xml.XmlTextReaderImpl.Read() +50
System.Xml.XmlLoader.Load(XmlDocument doc, XmlReader reader, Boolean preserveWhitespace) +145
System.Xml.XmlDocument.Load(XmlReader reader) +96
RssCLHunter.rss.CraigslistRssFeed..ctor(String uri) +58
ASP.default_aspx.GenerateSearchFeeds(String query, String cat, Hashtable urls) in d:\hosting\zimkiv\Default.aspx:33
ASP.default_aspx.__Render__control1(HtmlTextWriter __w, Control parameterContainer) in d:\hosting\zimkiv\Default.aspx:207
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +2065835
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +24
System.Web.UI.Page.Render(HtmlTextWriter writer) +26
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +25
System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +121
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +22
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1896


Version Information: Microsoft .NET Framework Version:2.0.50727.42; ASP.NET Version:2.0.50727.42