I genetically engineered Homo Martianus, with a preference for somewhat colder worlds with less gravity and less oxygen.
They have a thriving population of 120 million on Mars now.
Recently, I formed a colony of Homo Martianus at another system.
I notice, that my civilian shipping companies (who have a grand total of about 40 colony ships by now, for this player race) are not taking any colonists from Mars to the new colony.
I did set the population on Mars to be a source of colonists.
Now, I thought, maybe it is because there is no commercial spaceport on the new planet.
But no, that's not it.
I have a colony of humans on Titan. There's no commercial spaceport on Titan.
Yet, my civilian colony ships brought millions of colonsits to there, and they still are.
One more possibility: There is no commercial spaceport at all in the new system. Could this be the reason, or should I report this in the bug report section?