Server Error in '/WebTrackServices' Application.

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[OutOfMemoryException: Insufficient memory to continue the execution of the program.]
   System.Web.HttpResponseUnmanagedBufferElement..ctor() +9903750
   System.Web.HttpWriter.BufferData(Byte[] data, Int32 offset, Int32 size, Boolean needToCopyData) +72
   System.Web.HttpWriter.WriteFromStream(Byte[] data, Int32 offset, Int32 size) +47
   System.Web.HttpResponseStream.Write(Byte[] buffer, Int32 offset, Int32 count) +102
   System.Web.Services.Protocols.SoapExtensionStream.Write(Byte[] buffer, Int32 offset, Int32 count) +39
   System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder) +97
   System.IO.StreamWriter.Write(Char[] buffer, Int32 index, Int32 count) +91
   System.Xml.XmlTextEncoder.WriteStringFragment(String str, Int32 offset, Int32 count, Char[] helperBuffer) +73
   System.Xml.XmlTextEncoder.Write(String text) +189
   System.Xml.XmlTextWriter.WriteString(String text) +82
   Microsoft.Web.Services3.Mime.XopContentsNode.WriteTo(XmlWriter w) +92
   System.Xml.XmlElement.WriteElementTo(XmlWriter writer, XmlElement e) +130
   System.Xml.XmlElement.WriteTo(XmlWriter w) +26
   System.Xml.XmlDocument.Save(XmlWriter w) +86
   Microsoft.Web.Services3.SoapEnvelope.Save(Stream outStream) +49
   Microsoft.Web.Services3.WseProtocol.WriteEnvelopeToStream(SoapEnvelope envelope, SoapServerMessage message) +324
   Microsoft.Web.Services3.WseProtocol.ProcessResponseEnvelope(Object sender, EventArgs e) +202
   Microsoft.Web.Services3.Xml.XmlWrappingWriter.Finish() +52
   Microsoft.Web.Services3.Xml.XmlWrappingWriter.Flush() +37
   System.Web.Services.Protocols.SoapServerProtocol.WriteReturns(Object[] returnValues, Stream outputStream) +1602
   System.Web.Services.Protocols.WebServiceHandler.WriteReturns(Object[] returnValues) +158
   System.Web.Services.Protocols.WebServiceHandler.Invoke() +546
   System.Web.Services.Protocols.WebServiceHandler.CoreProcessRequest() +787
   System.Web.Services.Protocols.SyncSessionlessHandler.ProcessRequest(HttpContext context) +144
   System.Web.Script.Services.HandlerWrapper.ProcessRequest(HttpContext context) +11
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +195
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +50
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +73