Using stable foundations with this mod, I keep getting strange modules with the names Unknown key:"item-name.sf-tile-module-3-efficiency", Unknown key:"item-name.sf-tile-module-3-productivity", and Unknown key:"item-name.sf-tile-module-3-speed"

They seem to be coming from where I have a mining area getting attacked/destroyed regularly, and pop up when this mod is upgrading my miners after destruction.

Thanks for your report, This should now be fixed. You might need to rebuild your entities/tiles to restore the beacon effects from stable foundations, if ABQ already messed with some.

That seems to have fixed it disabled and then re-enabled ABQ.