低位码运算错误提示："Message":"Unexpected EOF"

地位码运算提示错误：{"Message":"Unexpected EOF","MessageCode":null,"LoginResultType":-1,"Context":null,"KDSVCSessionId":null,"FormId":null,"RedirectFormParam":null,"FormInputObject":null,"ErrorStackTrace":" 位于 ICSharpCode.SharpZipLib.Zip.Compression.Streams.InflaterInputStream.Fill()\r\n 位于 ICSharpCode.SharpZipLib.Zip.Compression.Streams.InflaterInputStream.Read(Byte[] buffer, Int32 offset, Int32 count)\r\n 位于 ICSharpCode.SharpZipLib.GZip.GZipInputStream.Read(Byte[] buffer, Int32 offset, Int32 count)\r\n 位于 Kingdee.BOS.ServiceFacade.Common.CompressedStream.Read(Byte[] buffer, Int32 offset, Int32 count)\r\n 位于 System.IO.StreamReader.ReadBuffer()\r\n 位于 System.IO.StreamReader.ReadToEnd()\r\n 位于 Kingdee.BOS.ServiceFacade.KDServiceClient.KDWebRequest.GetResponseCallback(IAsyncResult result)","Lcid":0,"AccessToken":null,"KdAccessResult":null,"IsSuccessByAPI":false}