0.000 2017-12-28 15:43:54; Factorio 0.16.7 (build 34551, mac, steam) 0.000 Operating system: macOS 10.12.6 0.000 Program arguments: "/Users/nicholas/Library/Application Support/Steam/steamapps/common/Factorio/factorio.app" 0.000 Read data path: /Users/nicholas/Library/Application Support/Steam/steamapps/common/Factorio/factorio.app/Contents/data 0.000 Write data path: /Users/nicholas/Library/Application Support/factorio [48133/475776MB] 0.000 Binaries path: /Users/nicholas/Library/Application Support/Steam/steamapps/common 0.010 System info: [CPU: Intel(R) Core(TM) i5-2415M CPU @ 2.30GHz, 4 cores, RAM: 4096MB] 0.023 Display options: [FullScreen: 0] [VSync: 0] [UIScale: system (100.0%)] [MultiSampling: OFF] [Screen: 255] [Lang: en] 0.023 Available display adapters: 1 0.023 [0]: resolution 1280x800px at [0,0] 0.023 Create display on adapter 0. Size 1230x720 at position [15, 22]. 0.188 Initialised OpenGL:[0] Intel HD Graphics 3000 OpenGL Engine; driver: 2.1 INTEL-10.2.37 0.188 Failed to determine VRAMSize from IOKit 0.188 Dedicated video memory size 0 MB 0.260 Total system memory is low (4096 MB). Setting graphics preset to MacWithLowRAM. 0.260 Graphics options: [Graphics quality: low] [Video memory usage: low] [Light scale: 25%] [DXT: false] [Shader: 1] 0.260 [Parallel sprite loading: 1] [Max texture size: 2048/4096] [Bmp cache: 0] [Sprite slicing: 1] [Low quality rotation: 1] 0.411 Loading mod core 0.0.0 (data.lua) 0.442 Loading mod base 0.16.7 (data.lua) 0.659 Loading mod base 0.16.7 (data-updates.lua) 0.732 Checksum for core: 336935676 0.732 Checksum of base: 2818434856 0.930 Loading sounds... 1.147 Info PlayerData.cpp:67: Local player-data.json unavailable 1.147 Info PlayerData.cpp:70: Cloud player-data.json available, timestamp 1514248181 1.286 Loaded shader file /Users/nicholas/Library/Application Support/Steam/steamapps/common/Factorio/factorio.app/Contents/data/core/graphics/shaders/game.glsl 1.288 Loaded shader file /Users/nicholas/Library/Application Support/Steam/steamapps/common/Factorio/factorio.app/Contents/data/core/graphics/shaders/zoom-to-world.glsl 1.291 Loaded shader file /Users/nicholas/Library/Application Support/Steam/steamapps/common/Factorio/factorio.app/Contents/data/core/graphics/shaders/alpha-mask.glsl 1.312 Initial atlas bitmap size is 2048 1.314 Created atlas bitmap 2048x1996 [none] 1.314 Created atlas bitmap 2048x1574 [none] 1.314 Created atlas bitmap 2048x1504 [terrain] 1.315 Created atlas bitmap 2048x220 [shadow] 1.316 Created atlas bitmap 2048x2044 [no-crop, trilinear-filtering, icon, light] 1.316 Created atlas bitmap 2048x1760 [no-crop, trilinear-filtering, icon, light] 1.316 Created atlas bitmap 2048x952 [alpha-mask] 35.266 Sprites loaded 35.266 Convert atlas 2048x2044 to: trilinear-filtering 35.496 Convert atlas 2048x1760 to: trilinear-filtering 35.634 Convert atlas 2048x952 to: alpha-mask 35.734 Custom inputs active: 0 35.802 Factorio initialised 43.452 Info BlueprintLibrary.cpp:53: Loaded external blueprint storage: playerIndex = 0, nextRecordID = 0; timestamp = 1513370125; records: 43.572 Loading Level.dat: 903570 bytes. 43.573 Info Scenario.cpp:135: Map version 0.16.7-4 43.683 Info BlueprintLibrary.cpp:232: Loaded library shelves: 43.683 Info BlueprintLibrary.cpp:798: Game shelf: playerIndex = 65535, nextRecordID = 0; timestamp = 0; records: 43.685 Info BlueprintLibrary.cpp:53: Loaded external blueprint storage: playerIndex = 0, nextRecordID = 0; timestamp = 1513370125; records: 43.691 Checksum for script /Users/nicholas/Library/Application Support/factorio/temp/currently-playing/control.lua: 2309010108 105.507 Info AppManagerStates.cpp:1527: Saving finished Factorio crashed. Generating symbolized stacktrace, please wait ... #0 0x00000001009b1062 in Logger::logStacktrace(StackTraceInfo*) (in factorio) (Logger.cpp:471) #1 0x000000010016e989 in Logging::logAndAbortOrThrow(char const*, unsigned int, LogLevel, std::__1::basic_string, std::__1::allocator > const&) (in factorio) (Logging.cpp:79) #2 0x000000010001e5a4 in Logging::logAndAbortOrThrow(char const*, unsigned int, LogLevel, char const*, ...) (in factorio) (Logging.cpp:0) #3 0x00000001006a4247 in 0x00000001006a4247 (in factorio) #4 0x00000001001dea04 in ItemStack::swapWith(ItemStack&) (in factorio) (ItemStack.cpp:681) #5 0x000000010037dc85 in GameActionHandler::cursorTransfer(InputAction const&, Controller*) (in factorio) (GameActionHandler.cpp:1616) #6 0x000000010037b93d in GameActionHandler::actionPerformed(InputAction const&) (in factorio) (GameActionHandler.cpp:262) #7 0x000000010067d8b5 in InputHandler::flushActions(bool) (in factorio) (InputHandler.cpp:55) #8 0x000000010037bd34 in GameActionHandler::update() (in factorio) (GameActionHandler.cpp:305) #9 0x00000001007152cd in MainLoop::gameUpdateStep(MultiplayerManagerBase*, Scenario*, AppManager*, MainLoop::HeavyMode) (in factorio) (MainLoop.cpp:919) #10 0x0000000100713959 in MainLoop::gameUpdateLoop(MainLoop::HeavyMode) (in factorio) (MainLoop.cpp:852) #11 0x00000001009cd234 in WorkerThread::loop() (in factorio) (WorkerThread.cpp:36) #12 0x0000000100c6871e in void* std::__1::__thread_proxy >, void (WorkerThread::*)(), WorkerThread*> >(void*) (in factorio) (thread:354) #13 0x00007fffc7bb293b in 0x00007fffc7bb293b #14 0x00007fffc7bb2887 in 0x00007fffc7bb2887 #15 0x00007fffc7bb208d in 0x00007fffc7bb208d 114.111 Error BlueprintBook.cpp:189: Attempting to add non-blueprint item to blueprint book. Logger::writeStacktrace skipped. 114.111 Error CrashHandler.cpp:128: Map tick at moment of crash: 3453 114.111 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.