The function number: n/a
The complete error text: n/a
The window affected: economy
What you were doing at the time: conquered a pre TN NPR
Conventional or TN start: TN
Random or Real Stars: Real
Is your decimal separator a comma?: dot
Is the bug is easy to reproduce, intermittent or a one-off?: You'd have to find a suitable NPR
If this is a long campaign - say 75 years or longer - let me know the length of the campaign as well: about 50 years in
I conquered a pre-TN NPR and they had more people on their planet than it could support, they even built some infrastructure but not nearly enough.
Worse: the planet isn't even suitable for them, it has a colony cost due to it not having enough water.
It is the Mergui in the Gliese 588 system.
I can also confirm that you don't get fighter factories on earth if you have your tech points automatically spent and that you cannot pick up alien missiles because they don't appear in the ordnance window in the ship designer.