Bug Description

All of the units I received from the independent city are not able to embark. I researched Trade Expeditions after I assimilated the independent city. All my other units can embark, it's just the units from the independent city that cannot do so.


In the screenshots below, the horseman is my unit and the swordsmen and archers are from the assimilated city. The swordsmen are upgraded from warriors, and the archers are original units.


I get an error message if I try to embark the whole stack into the sea, however, if I only select the horseman, it is able to embark as a separate unit. The remaining units are still not able to embark.


Attachment


Steps to reproduce
Prior to researching Trade Expeditions, assimilate an independent city with some units.


Expected behavior

I was expecting the assimilated units to gain any transport ship upgrades once they were part of my forces.