[kovarex] [0.16.51] Crash when loading save - RailSegment::initFrom

[bongripsdaily]

0.000 2019-08-26 09:21:08; Factorio 0.16.51 (build 36654, win64, steam)
0.000 Operating system: Windows 10 (version 1803)
0.000 Program arguments: "C:\Program Files (x86)\Steam\steamapps\common\Factorio\bin\x64\Factorio.exe"
0.000 Read data path: C:/Program Files (x86)/Steam/steamapps/common/Factorio/data
0.000 Write data path: C:/Users/DRAKE/AppData/Roaming/Factorio [34893/476324MB]
0.000 Binaries path: C:/Program Files (x86)/Steam/steamapps/common/Factorio/bin
0.005 System info: [CPU: Intel(R) Core(TM) i7-9700K CPU @ 3.60GHz, 8 cores, RAM: 2895/16325 MB, page: 3856/18757 MB, virtual: 4331/134217727 MB, extended virtual: 0 MB]
0.006 Display options: [FullScreen: 1] [VSync: 0] [UIScale: system (100.0%)] [MultiSampling: OFF] [Screen: 255] [Lang: en]
0.007 Available display adapters: 1
0.007 [0]: \\.\DISPLAY1 - AMD Radeon R9 200 Series {0x80005, [0,0], 1920x1080, 32bit, 60Hz}
0.008 Create display on adapter 0. Size 1280x720 at position [310, 162].
0.106 Failed to load D3DX9 library. Library is not installed.
0.109 Initialised Direct3D:[0] AMD Radeon R9 200 Series; driver: aticfx64.dll 25.20.15031.9002
0.112 Video memory size (dedicated video/dedicated system/shared system/available): 2028/0/8162/4088 MB
0.222 DSound: Starting _dsound_update thread
0.222 DSound: Enter _dsound_update; tid=9228
0.223 Device reset internal.
0.225 Desktop composition is active.
0.225 Graphics settings preset: high
0.226 Graphics options: [Graphics quality: normal] [Video memory usage: high] [Light scale: 25%] [DXT: false] [Shader: 1]
0.226 [Parallel sprite loading: 1] [Max texture size: 0/8192] [Bmp cache: 0] [Sprite slicing: 1] [Low quality rotation: 0]
0.286 Loading mod settings Factorissimo2 2.2.3 (settings.lua)
0.286 Loading mod settings Helicopters 0.2.17 (settings.lua)
0.290 Loading mod core 0.0.0 (data.lua)
0.301 Loading mod base 0.16.51 (data.lua)
0.393 Loading mod Factorissimo2 2.2.3 (data.lua)
0.463 Loading mod Helicopters 0.2.17 (data.lua)
0.535 Loading mod WaterStructures 0.0.2 (data.lua)
0.603 Loading mod base 0.16.51 (data-updates.lua)
0.671 Loading mod Helicopters 0.2.17 (data-final-fixes.lua)
0.740 Checksum for core: 840319042
0.740 Checksum of base: 3323233190
0.740 Checksum of Factorissimo2: 1394394679
0.740 Checksum of Helicopters: 2947344499
0.740 Checksum of WaterStructures: 1915980220
0.828 Loading sounds...
1.001 Info PlayerData.cpp:67: Local player-data.json unavailable
1.001 Info PlayerData.cpp:70: Cloud player-data.json available, timestamp 1558343642
1.078 Loaded shader file C:/Program Files (x86)/Steam/steamapps/common/Factorio/data/core/graphics/shaders/game.cso
1.081 Loaded shader file C:/Program Files (x86)/Steam/steamapps/common/Factorio/data/core/graphics/shaders/zoom-to-world.cso
1.081 Loaded shader file C:/Program Files (x86)/Steam/steamapps/common/Factorio/data/core/graphics/shaders/alpha-mask.cso
1.091 Initial atlas bitmap size is 16384
1.094 Created atlas bitmap 16384x6384 [none]
1.094 Created atlas bitmap 16384x847 [shadow]
1.094 Created atlas bitmap 16384x682 [decal]
1.095 Created atlas bitmap 8192x1496 [mipmap]
1.095 Created atlas bitmap 8192x800 [mipmap, smoke]
1.095 Created atlas bitmap 8192x2400 [linear-minification, mipmap, terrain]
1.096 Created atlas bitmap 8192x1240 [no-crop, trilinear-filtering, icon, light]
1.096 Created atlas bitmap 8192x238 [alpha-mask]
9.278 Sprites loaded
9.278 Convert atlas 8192x1496 to: mipmap
9.311 Convert atlas 8192x800 to: mipmap
9.325 Convert atlas 8192x2400 to: min-linear
9.367 Convert atlas 8192x1240 to: trilinear-filtering
9.389 Convert atlas 8192x238 to: alpha-mask
9.487 Custom inputs active: 10
9.530 Factorio initialised
15.495 Loading map C:\Users\DRAKE\AppData\Roaming\Factorio\saves\save game.zip: 46961884 bytes.
15.526 Loading Level.dat: 100195996 bytes.
15.530 Info Scenario.cpp:136: Map version 0.16.51-0
Factorio crashed. Generating symbolized stacktrace, please wait ...
c:\cygwin64\tmp\factorio-build-rlyqnq\libraries\stackwalker\stackwalker.cpp (924): StackWalker::ShowCallstack
c:\cygwin64\tmp\factorio-build-rlyqnq\src\util\logger.cpp (408): Logger::writeStacktrace
c:\cygwin64\tmp\factorio-build-rlyqnq\src\util\logger.cpp (521): Logger::logStacktrace
c:\cygwin64\tmp\factorio-build-rlyqnq\src\util\logging.cpp (89): Logging::logAndAbortOrThrow
c:\cygwin64\tmp\factorio-build-rlyqnq\src\util\logging.cpp (83): Logging::logAndAbortOrThrow
c:\cygwin64\tmp\factorio-build-rlyqnq\src\rail\railsegment.cpp (150): RailSegment::initFrom
c:\cygwin64\tmp\factorio-build-rlyqnq\src\rail\trainmanager.cpp (103): TrainManager::setup
c:\cygwin64\tmp\factorio-build-rlyqnq\src\map\map.cpp (898): Map::setupEntities
c:\cygwin64\tmp\factorio-build-rlyqnq\src\scenario\scenario.cpp (220): Scenario::loadFactory
c:\cygwin64\tmp\factorio-build-rlyqnq\src\scenario\parallelscenarioloader.cpp (125): ParallelScenarioLoader::doLoad
c:\program files (x86)\microsoft visual studio\2017\buildtools\vc\tools\msvc\14.12.25827\include\thr\xthread (232): std::_LaunchPad<std::unique_ptr<std::tuple<void (__cdecl*)(ParallelScenarioLoader * __ptr64,MapDeserialiser * __ptr64,enum InputType,InputHandler * __ptr64,MultiplayerManagerBase * __ptr64,bool),ParallelScenarioLoader * __ptr64,MapDeserialiser * __ptr64,enum InputType,InputHandler * __ptr64,MultiplayerManagerBase * __ptr64,bool>,std::default_delete<std::tuple<void (__cdecl*)(ParallelScenarioLoader * __ptr64,MapDeserialiser * __ptr64,enum InputType,InputHandler * __ptr64,MultiplayerManagerBase * __ptr64,bool),ParallelScenarioLoader * __ptr64,MapDeserialiser * __ptr64,enum InputType,InputHandler * __ptr64,MultiplayerManagerBase * __ptr64,bool> > > >::_Go
c:\program files (x86)\microsoft visual studio\2017\buildtools\vc\tools\msvc\14.12.25827\include\thr\xthread (211): std::_Pad::_Call_func
d:\th\minkernel\crts\ucrt\src\appcrt\startup\thread.cpp (115): thread_start<unsigned int (__cdecl*)(void * __ptr64)>
ERROR: SymGetLineFromAddr64, GetLastError: 487 (Address: 00007FFBD6904034)
00007FFBD6904034 (KERNEL32): (filename not available): BaseThreadInitThunk
ERROR: SymGetLineFromAddr64, GetLastError: 487 (Address: 00007FFBD9283691)
00007FFBD9283691 (ntdll): (filename not available): RtlUserThreadStart
Stack trace logging done
18.937 Error RailSegment.cpp:154: Error when creating segment 17973, found rail (curved-rail on {-506.0000000000, -336.0000000000}) already connected to segment 17879
Logger::writeStacktrace skipped.
18.937 Error Util.cpp:67: Unexpected error occurred. If you're running the latest version of the game you can help us solve the problem by posting the contents of the log file on the Factorio forums.
Please also include the save file(s), any mods you may be using, and any steps you know of to reproduce the crash.
53.592 Uploading log file
53.596 Error CrashHandler.cpp:227: Heap validation: success.
53.598 Creating crash dump.
53.797 CrashDump success

[bongripsdaily]

mods include
Factorissimo2
Helicopters
Water Structures - Build on water

[kovarex]

The rail connecionts were messed up near to the rail, I don't know why, but when I used a internal tool to rebuild the rail segments, the save became correct.
Since we don't have more reports of this, i will assume, that it is not a problem of Factorio, at least for now.

The fixed version of your save: http://www.kovarex.com/download/save-game-fixed.zip