Started a new game and created an outpost in the Neolithic era and an outpost after reaching the ancient era. Reloading the save did not fix the issue.

Unknown how to reproduce

Outpost should finish constructing

auto-save 1031.ctr

auto-save 1032.ctr

Diagnostics (2021'08'20 @0943'53''787''').html

Humankind_8zJCCtUomP.png

Humankind_bzJwAdtWBu.png