Jijun,   I have attached the file as per your request.  Are there any flags I can enable that would give you better debug output?
 --
 Nicholas G. Jourin
 <email address hidden>
      From: Jijun Tang <email address hidden>
 To: <email address hidden> 
 Sent: Monday, April 20, 2015 8:22 AM
 Subject: [Bug 1429666] Re: System.IO.InvalidDataException at ORTS.Simulator.InitializePlayerTrain (X2913, Pacific Surfliner)
   
It will be hard to debug if this is a commercial route. Can you email me
the .tdb file so I can check it.

-- 
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report.
https://bugs.launchpad.net/bugs/1429666

Title:
  System.IO.InvalidDataException at ORTS.Simulator.InitializePlayerTrain
  (X2913, Pacific Surfliner)

Status in Open Rails Tracker:
  In Progress

Bug description:
  This is a log file for Open Rails. Please include this file in bug reports.
  --------------------------------------------------------------------------------
  Date/time  = 3/8/2015 3:59:26 PM (2015-03-08 22:59:26Z)
  BIOS      = BIOS Date: 05/10/13 10:22:00 Ver: 20.03 (American Megatrends Inc.)
  Processor  = Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz (8 threads, 4 cores, 3.4 GHz) (L1-Cache 256 KB) (L2-Cache 1024 KB) (L3-Cache 8192 KB)
  Memory    = 31.9 GB
  Video      = NVIDIA GeForce GTX 660  (2.0 GB RAM) (nvlddmkm 9.18.13.1422)
  Display    = \\.\DISPLAY1 (1920 x 1080, 32-bit, primary, 0 x 0)
  Sound      = PlayOn Virtual Audio Device (povrtdev 5.2.3669.1)
  Sound      = VB-Audio Virtual Cable (vbaudio_cable64_win7 6.1.7600.16385)
  Sound      = NVIDIA High Definition Audio (nvhda64v 1.3.23.1)
  Sound      = Realtek High Definition Audio (rtkvhd64 6.0.1.6699)
  Disk      = C: (Local Fixed Disk, NTFS, 1862.9 GB, 1514.1 GB free)
  Disk      = D: (CD-ROM Disc, )
  Disk      = F: (Local Fixed Disk, NTFS, 2794.4 GB, 2537.0 GB free)
  Disk      = G: (Local Fixed Disk, NTFS, 679.7 GB, 512.7 GB free)
  OS        = Microsoft Windows 7 Ultimate  64-bit (6.1.7601)
  Runtimes  = 2.0.50727 SP2  3.0 SP2  3.5 SP1  4 Client  4 Full  4.0 Client 
  Runtime    = 2.0.50727.5485 (32bit)
  --------------------------------------------------------------------------------
  Version    = X2913
  Build      = 0.0.5543.33696 (2015-03-06 18:43:12Z)
  Logfile    = C:\Users\ngjourin\Desktop\OpenRailsLog.txt
  Executable = RunActivityLAA.exe
  Argument  = -start
  Argument  = -explorer
  Argument  = F:\Installed\Microsoft Games\Train Simulator\ROUTES\Pacific_Surfliner\PATHS\AMTK_PLAYER_SAN-LAX.pat
  Argument  = F:\Installed\Microsoft Games\Train Simulator\TRAINS\CONSISTS\Surfliner_7_Car_Push.con
  Argument  = 12:00
  Argument  = 1
  Argument  = 0
  --------------------------------------------------------------------------------
  AdhesionFactor                =                130
  AdhesionFactorChange          =                10
  AdhesionMovingAverageFilterSize =                10
  AdhesionProportionalToWeather  =                False
  Alerter                        =                False
  AlerterDisableExternal        =                True
  Autopilot                      =                False
  AuxActionEnabled              =                False
  AvatarURL                      =                http://openrails.org/images/support-logos.jpg
  BrakePipeChargingRate          =                21
  BreakCouplers                  =                False
  Cab2DStretch                  =                0
  CarVibratingLevel              =                0
  CircularSpeedGauge            =                False
  ConditionalLoadOfNightTextures =                False
  CurveResistanceSpeedDependent  =                False
  CurveSpeedDependent            =                False
  DataLogger                    =                False
  DataLoggerSeparator            =                comma
  DataLogMisc                    =                False
  DataLogPerformance            =                True
  DataLogPhysics                =                False
  DataLogSpeedUnits              =                route
  DataLogStart                  =                False
  DataLogStationStops            =                False
  DataLogTrainSpeed              =                False
  DataLogTSContents              =                1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0
  DataLogTSInterval              =                10
  DayAmbientLight                =                20
  DistantMountains              =                True
  DistantMountainsViewingDistance =                40000
  DoubleWire                    =                False
  DynamicShadows                =                False
  ExtendedAIShunting            =                False
  FastFullScreenAltTab          =                False
  FullScreen                    = (user set)    True
  GraduatedRelease              =                False
  HotStart                      =                True
  Language                      =                
  LODBias                        =                0
  LODViewingExtention            =                False
  Logging                        =                True
  LoggingFilename                =                OpenRailsLog.txt
  LoggingPath                    =                C:\Users\ngjourin\Desktop
  Menu_Selection                = (user set)    F:\Installed\Microsoft Games\Train Simulator, F:\Installed\Microsoft Games\Train Simulator\ROUTES\Pacific_Surfliner, 
  ModelInstancing                =                False
  MSTSBINSound                  =                True
  Multiplayer                    =                False
  Multiplayer_Host              =                127.0.0.1
  Multiplayer_Port              =                30000
  Multiplayer_UpdateInterval    =                10
  Multiplayer_User              =                ngjourin
  MultiplayerClient              =                False
  MultiplayerServer              =                False
  NoForcedRedAtStationStops      =                False
  OverrideNonElectrifiedRoutes  =                False
  PerformanceTuner              =                False
  PerformanceTunerTarget        =                60
  PreferDDSTexture              =                False
  PressureUnit                  =                Automatic
  Profiling                      =                False
  ProfilingFrameCount            =                0
  ProfilingTime                  =                0
  ReplayPauseBeforeEnd          =                True
  ReplayPauseBeforeEndS          =                0
  RetainersOnAllCars            =                False
  ScreenshotPath                =                C:\Users\ngjourin\Pictures\Open Rails
  ShaderModel                    =                3
  ShadowAllShapes                =                False
  ShadowMapBlur                  =                True
  ShadowMapCount                =                4
  ShadowMapDistance              =                1000
  ShadowMapResolution            =                1024
  ShowAvatar                    =                False
  ShowErrorDialogs              =                True
  SignalLightGlow                =                False
  SoundDetailLevel              =                5
  SoundVolumePercent            =                100
  SuperElevationGauge            =                1435
  SuperElevationMinLen          =                50
  SuppressConfirmations          =                False
  SuppressShapeWarnings          =                False
  TunnelResistanceDependent      =                False
  Units                          =                Automatic
  UseAdvancedAdhesion            =                True
  UseLargeAddressAware          =                True
  UseLocationPassingPaths        =                False
  UseMSTSEnv                    =                False
  UseSuperElevation              =                0
  VerticalSync                  = (user set)    True
  ViewDispatcher                =                False
  ViewingDistance                =                2000
  ViewingFOV                    =                45
  WindowGlass                    =                False
  WindowPosition_Activity        =                50, 50
  WindowPosition_CarOperations  =                50, 50
  WindowPosition_Compass        =                50, 0
  WindowPosition_ComposeMessage  =                50, 50
  WindowPosition_DriverAid      =                100, 100
  WindowPosition_Help            =                50, 50
  WindowPosition_NextStation    =                0, 100
  WindowPosition_Quit            =                50, 50
  WindowPosition_Switch          =                0, 50
  WindowPosition_TrackMonitor    =                100, 0
  WindowPosition_TrainOperations =                50, 50
  WindowSize                    = (user set)    1920x1080
  Wire                          =                True
  WorldObjectDensity            =                10
  YoungestFailedToRestore        =                0
  --------------------------------------------------------------------------------
  Mode      = explorer
  Route      = Pacific Surfliner
  Path      = AMTK_PLAYER_SAN-LAX (F:\Installed\Microsoft Games\Train Simulator\ROUTES\Pacific_Surfliner\PATHS\AMTK_PLAYER_SAN-LAX.pat)
  Consist    = Surfliner 6903 PUSH 7 Cars (F:\Installed\Microsoft Games\Train Simulator\TRAINS\CONSISTS\Surfliner_7_Car_Push.con)
  Time      = 12:00:00 (12:00)
  Season    = Summer (1)
  Weather    = Clear (0)
  --------------------------------------------------------------------------------
  Loading  TRK TDB

  Warning: Track node 1329 pin 0 has invalid link to track node 0 in
  F:\Installed\Microsoft Games\Train
  Simulator\ROUTES\Pacific_Surfliner\Pacific_Surfliner.tdb:line 13857

  SIGCFG DAT ACT RDB

  Warning: Track node 2904 pin 0 has invalid link to track node 0 in
  F:\Installed\Microsoft Games\Train
  Simulator\ROUTES\Pacific_Surfliner\Pacific_Surfliner.rdb:line 23167

  Warning: Track node 2905 pin 0 has invalid link to track node 0 in
  F:\Installed\Microsoft Games\Train
  Simulator\ROUTES\Pacific_Surfliner\Pacific_Surfliner.rdb:line 23174

  CARSPAWN SIGSCR
  sWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWWW

  Warning: Ignored invalid track node 1329 pin [0,0] link to track node
  0

  Warning: Cannot find main track for node 78 in path
  F:\Installed\Microsoft Games\Train
  Simulator\ROUTES\Pacific_Surfliner\PATHS\AMTK_PLAYER_SAN-LAX.pat

  Error: System.IO.InvalidDataException: Broken path F:\Installed\Microsoft Games\Train Simulator\ROUTES\Pacific_Surfliner\PATHS\AMTK_PLAYER_SAN-LAX.pat for Player train - activity cannot be started
    at ORTS.Simulator.InitializePlayerTrain() in e:\Documents\Coding\Jenkins\jobs\Open Rails Experimental\workspace\Source\RunActivity\Simulator\Simulator.cs:line 762
    at ORTS.Simulator.InitializeTrains(LoaderProcess loader) in e:\Documents\Coding\Jenkins\jobs\Open Rails Experimental\workspace\Source\RunActivity\Simulator\Simulator.cs:line 361
    at ORTS.Simulator.Start(LoaderProcess loader) in e:\Documents\Coding\Jenkins\jobs\Open Rails Experimental\workspace\Source\RunActivity\Simulator\Simulator.cs:line 268
    at ORTS.Processes.GameStateRunActivity.Start(UserSettings settings, String acttype, String[] args) in e:\Documents\Coding\Jenkins\jobs\Open Rails Experimental\workspace\Source\RunActivity\Processes\GameStateRunActivity.cs:line 274
    at ORTS.Processes.GameStateRunActivity.<>c__DisplayClass8.<Load>b__3() in e:\Documents\Coding\Jenkins\jobs\Open Rails Experimental\workspace\Source\RunActivity\Processes\GameStateRunActivity.cs:line 148
    at ORTS.Processes.GameStateRunActivity.Load() in e:\Documents\Coding\Jenkins\jobs\Open Rails Experimental\workspace\Source\RunActivity\Processes\GameStateRunActivity.cs:line 189
    at ORTS.Processes.LoaderProcess.Load() in e:\Documents\Coding\Jenkins\jobs\Open Rails Experimental\workspace\Source\RunActivity\Processes\LoaderProcess.cs:line 155
    at ORTS.Processes.LoaderProcess.DoLoad() in e:\Documents\Coding\Jenkins\jobs\Open Rails Experimental\workspace\Source\RunActivity\Processes\LoaderProcess.cs:line 136
    at ORTS.Processes.LoaderProcess.LoaderThread() in e:\Documents\Coding\Jenkins\jobs\Open Rails Experimental\workspace\Source\RunActivity\Processes\LoaderProcess.cs:line 107
    at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
    at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
    at System.Threading.ThreadHelper.ThreadStart()

  
  Loader: Time      = 00:00:22.4382834 ms
  Loader: Expected  = 0 bytes
  Loader: Actual    = 17,652,557 bytes
  Loader: Difference = 17,652,557 bytes (Infinity)

  Information: Game.PopState()

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