The mod Auto-Switch Techs (1.8.0) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event AutoSwitchTechs::on_nth_tick(1800)
AutoSwitchTechs/control.lua:384: attempt to compare nil with number
stack traceback:
AutoSwitchTechs/control.lua:384: in function 'getLabSciencesAvailable'
AutoSwitchTechs/control.lua:580: in function 'updateResearchQueueForForce'
AutoSwitchTechs/control.lua:624: in function <AutoSwitchTechs/control.lua:622>
Enjoyed using the mod for a few hours, had to save/quit to go do other things, now my save does this about 10 seconds after loading up :(