I only play diplomacy (v1.34) so I don't know if this an exclusive bug or whatever, or if I'm missing something really obvious.
So, I research trade port, build one, and soon after, I research the resource focus ability. When I click on that ability, the trade port stops all functions, (it says "Structure work disabled") and nothing happens. I check back later, and still no refinery ships have spawned, and all I'm left with is a quiet but stylish husk of industrial waste floating around my planet.
What am I not doing right here?