(lldb) thread backtrace all
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
  * frame #0: 0x00007fff6022d2c6 libsystem_kernel.dylib`__pthread_kill + 10
    frame #1: 0x00007fff602e8bf1 libsystem_pthread.dylib`pthread_kill + 284
    frame #2: 0x00007fff601976a6 libsystem_c.dylib`abort + 127
    frame #3: 0x00007fff6016020d libsystem_c.dylib`__assert_rtn + 324
    frame #4: 0x000000010014c209 openttd`GetRoadTypeInfo(roadtype=<unavailable>) at road.h:229:2 [opt]
    frame #5: 0x000000010014b185 openttd`RoadVehicle::GetMaxTrackSpeed(this=<unavailable>) const at roadveh.h:278:10 [opt]
    frame #6: 0x000000010014af26 openttd`GroundVehicle<RoadVehicle, (VehicleType)1>::PowerChanged(this=0x000000010bef2f70) at ground_vehicle.cpp:42:27 [opt]
    frame #7: 0x0000000100310c44 openttd`AfterLoadVehicles(part_of_load=true) at vehicle_sl.cpp:423:11 [opt]
    frame #8: 0x00000001002dd2e7 openttd`AfterLoadGame() at afterload.cpp:801:2 [opt]
    frame #9: 0x00000001002fe4b5 openttd`DoLoad(reader=<unavailable>, load_check=false) at saveload.cpp:2683:8 [opt]
    frame #10: 0x00000001002fe82c openttd`SaveOrLoad(filename=<unavailable>, fop=SLO_LOAD, dft=<unavailable>, sb=<unavailable>, threaded=true) at saveload.cpp:2790:10 [opt]
    frame #11: 0x000000010025dc75 openttd`SafeLoad(filename=<unavailable>, fop=<unavailable>, dft=<unavailable>, newgm=<unavailable>, subdir=<unavailable>, lf=<unavailable>) at openttd.cpp:1011:26 [opt]
    frame #12: 0x000000010025dff4 openttd`SwitchToMode(new_mode=<unavailable>) at openttd.cpp:1095:9 [opt]
    frame #13: 0x000000010025f000 openttd`GameLoop() at openttd.cpp:1455:3 [opt]
    frame #14: 0x000000010046c54c openttd`QZ_GameLoop() at event.mm:704:4 [opt]
    frame #15: 0x000000010046898e openttd`::-[OTTDMain launchGameEngine:](self=0x000000010260b1f0, _cmd=<unavailable>, note=<unavailable>) at cocoa_v.mm:92:2 [opt]
    frame #16: 0x00007fff34227596 CoreFoundation`__CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
    frame #17: 0x00007fff34227510 CoreFoundation`___CFXRegistrationPost_block_invoke + 63
    frame #18: 0x00007fff3422747a CoreFoundation`_CFXRegistrationPost + 404
    frame #19: 0x00007fff3422f928 CoreFoundation`___CFXNotificationPost_block_invoke + 87
    frame #20: 0x00007fff34198384 CoreFoundation`-[_CFXNotificationRegistrar find:object:observer:enumerator:] + 1642
    frame #21: 0x00007fff34197737 CoreFoundation`_CFXNotificationPost + 732
    frame #22: 0x00007fff3641d06b Foundation`-[NSNotificationCenter postNotificationName:object:userInfo:] + 66
    frame #23: 0x00007fff34227596 CoreFoundation`__CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12
    frame #24: 0x00007fff34227510 CoreFoundation`___CFXRegistrationPost_block_invoke + 63
    frame #25: 0x00007fff3422747a CoreFoundation`_CFXRegistrationPost + 404
    frame #26: 0x00007fff3422f928 CoreFoundation`___CFXNotificationPost_block_invoke + 87
    frame #27: 0x00007fff34198384 CoreFoundation`-[_CFXNotificationRegistrar find:object:observer:enumerator:] + 1642
    frame #28: 0x00007fff34197737 CoreFoundation`_CFXNotificationPost + 732
    frame #29: 0x00007fff3641d06b Foundation`-[NSNotificationCenter postNotificationName:object:userInfo:] + 66
    frame #30: 0x00007fff318501a8 AppKit`-[NSApplication _postDidFinishNotification] + 312
    frame #31: 0x00007fff3184fafb AppKit`-[NSApplication _sendFinishLaunchingNotification] + 208
    frame #32: 0x00007fff3184dc4f AppKit`-[NSApplication(NSAppleEventHandling) _handleAEOpenEvent:] + 552
    frame #33: 0x00007fff3184d89f AppKit`-[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:] + 688
    frame #34: 0x00007fff36466bec Foundation`-[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] + 286
    frame #35: 0x00007fff36466a69 Foundation`_NSAppleEventManagerGenericHandler + 102
    frame #36: 0x00007fff353e8397 AE`aeDispatchAppleEvent(AEDesc const*, AEDesc*, unsigned int, unsigned char*) + 1815
    frame #37: 0x00007fff353e7c29 AE`dispatchEventAndSendReply(AEDesc const*, AEDesc*) + 41
    frame #38: 0x00007fff353e7b01 AE`aeProcessAppleEvent + 414
    frame #39: 0x00007fff334b8e97 HIToolbox`AEProcessAppleEvent + 54
    frame #40: 0x00007fff31849c7e AppKit`_DPSNextEvent + 1724
    frame #41: 0x00007fff3184871f AppKit`-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 1361
    frame #42: 0x00007fff3184283c AppKit`-[NSApplication run] + 699
    frame #43: 0x000000010025d32a openttd`openttd_main(argc=<unavailable>, argv=0x00007ffeefbff6c0) at openttd.cpp:860:30 [opt]
    frame #44: 0x0000000100276317 openttd`main(argc=1, argv=0x00007ffeefbff6c0) at unix.cpp:259:12 [opt]
    frame #45: 0x00007fff600f23d5 libdyld.dylib`start + 1
  thread #5, name = 'com.apple.audio.IOThread.client'
    frame #0: 0x00007fff6022722a libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff6022776c libsystem_kernel.dylib`mach_msg + 60
    frame #2: 0x00007fff33c3deda CoreAudio`HALB_MachPort::SendMessageWithReply(unsigned int, unsigned int, unsigned int, unsigned int, mach_msg_header_t*, bool, unsigned int) + 122
    frame #3: 0x00007fff33c3de4f CoreAudio`HALB_MachPort::SendSimpleMessageWithSimpleReply(unsigned int, unsigned int, int, int&, bool, unsigned int) + 45
    frame #4: 0x00007fff33c3a39f CoreAudio`HALC_ProxyIOContext::IOWorkLoop() + 1017
    frame #5: 0x00007fff33c39df4 CoreAudio`HALC_ProxyIOContext::IOThreadEntry(void*) + 122
    frame #6: 0x00007fff33c39956 CoreAudio`HALB_IOThread::Entry(void*) + 72
    frame #7: 0x00007fff602e62eb libsystem_pthread.dylib`_pthread_body + 126
    frame #8: 0x00007fff602e9249 libsystem_pthread.dylib`_pthread_start + 66
    frame #9: 0x00007fff602e540d libsystem_pthread.dylib`thread_start + 13
  thread #8, name = 'com.apple.NSEventThread'
    frame #0: 0x00007fff6022722a libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff6022776c libsystem_kernel.dylib`mach_msg + 60
    frame #2: 0x00007fff341c4bee CoreFoundation`__CFRunLoopServiceMachPort + 328
    frame #3: 0x00007fff341c415c CoreFoundation`__CFRunLoopRun + 1612
    frame #4: 0x00007fff341c38be CoreFoundation`CFRunLoopRunSpecific + 455
    frame #5: 0x00007fff318516a6 AppKit`_NSEventThread + 175
    frame #6: 0x00007fff602e62eb libsystem_pthread.dylib`_pthread_body + 126
    frame #7: 0x00007fff602e9249 libsystem_pthread.dylib`_pthread_start + 66
    frame #8: 0x00007fff602e540d libsystem_pthread.dylib`thread_start + 13
  thread #9
    frame #0: 0x00007fff602e53f0 libsystem_pthread.dylib`start_wqthread
  thread #10
    frame #0: 0x00007fff602e53f0 libsystem_pthread.dylib`start_wqthread
  thread #11
    frame #0: 0x00007fff602e53f0 libsystem_pthread.dylib`start_wqthread