Please report this error to the scenario author.
Error while running event level::on_nth_tick(60)
No research in progress.
stack traceback:
/home/david/factorio/temp/currently-playing/pvp.lua
/home/david/factorio/temp/currently-playing/pvp.lua:4019: in function 'handler'
__core__/lualib/event_handler.lua:53: in function <__core__/lualib/event_handler.lua:51>
stack traceback:
[C]: in function '__newindex'
/home/david/factorio/temp/currently-playing/pvp.lua
/home/david/factorio/temp/currently-playing/pvp.lua:4019: in function 'handler'
__core__/lualib/event_handler.lua:53: in function <__core__/lualib/event_handler.lua:51>
This occurs about 20-30 seconds into the attached savegame without doing anything. Also notice that the research jumps backwards and forwards.
Thanks