Good call, that did it!

Thanks too for correcting my poor forum syntax, I fixed both and it's working just fine.

I'm just trying to get my bearings trying a couple of simple things to learn my way around a bit... In this one I was modifying a script from the https://wiki.factorio.com/Tutorial:Modding_tutorial/Gangsir tutorial. Originally I had changed the source_inventory_size to 2000, however when I could not ...