Help Information on Buildings
Each building consumes one acre of free land and costs $0 to build.
Except for Construction Sites, you can build 214 buildings per turn.
Construction Sites require one turn each.
With your resources, you can build 8653 buildings.

You do not have enough turns to construct these buildings!

had only 12 turns on hand tried to build 8653

its probably due to $0 cost to build somehow making it forget to check current turns?