Started a new game...played a few hours and saved all was fine...60 FPS
Came back next day opened game, and it's down to 6 fps....No robots yet, don't even have grey science researched. Limited builings and haven't expanded map too terribly far.
Screenshot attached...

Version 17.79
Playing as ...

If I did this correctly....

https://pastebin.com/kCecms0R

Downloaded a mod that crashes my game, and when I try to uncheck it from the list of mods, upon re-load it crashes and won't let a saved game re-load.

I've looked online for the the supposed Mod folder to delet the mod manually, but it does not exist.
I'm on a MBP 2015...Mojave 10.14.6
I can't find ...

My red inserters have disappeared with the upgrade. Research shows done, but I can't build any red inserters...it's not even an option.
Suggestions appreciated.

Thanks!
Lee