About the other issue (Item stack doesn't have name parameter):
I'm still not sure what is causing this. I could not reproduce it yet. With v 0.1.3 it will probably not crash anymore but just not mine the resource if the problem would occur. So probably some resources will not be mined and it will ...

Now that I've used the design for awhile, I have found there are some bottlenecks. The single inserters are fine for keeping the first assemblers stocked, but the problem is that the red pack assemblers take most of the gear wheels and starve the green pack line. Adding another gear assembler would ...

The most fitting way to indicate a disconnected underground transport belt or pipe would be a blinking icon, just like the no fuel or no power icons.

Tried my best to make a science station in as small an area as I could. Got this one doing 3 each of red and green science pack assemblers plus labs in 23x16 tiles. Lots of crossed inserters and a few underground belts.