Within 30 seconds or so of starting the game I get an error 'Unexpected error occurred. You can help us to solve the problem by posting the contents of the log file on the Factorio forums.'
Seems to actually be a problem with the main game and the number of mods. Has anyone else had issues?
Important log bits:
0.000 2016-07-06 20:21:16; Factorio 0.13.5 (build 23107, mac, steam)
0.000 Operating system: Mac OS X 10.11.5
41.320 Error ServerGameUpdater.cpp:275: Failed sending LAN game broadcast: Sendto failed: Message too long
Factorio crashed. Generating symbolized stacktrace, please wait ...
#0 0x1005a37e2 in Logger::logStacktrace(StackTraceInfo*) (in factorio) (Logger.cpp:382)
#1 0x10059c629 in CrashHandler::writeStackTrace() (in factorio) (CrashHandler.cpp:85)
#2 0x10059c5be in CrashHandler::SignalHandler(int) (in factorio) (CrashHandler.cpp:188)
#3 0x7fff8e3f652a in 0x7fff8e3f652a
#4 0x700000943760 in 0x700000943760
#5 0x7fff924126e7 in 0x7fff924126e7