Summary: When building a house, you can place the floor foundation over resources, such as small boulders, preventing their collection.
Reproduce:
1.Enter the building planner
2.Locate a ground resource, yet to be harvested
3.Drag out floor over resource
4.Wait for the floor to be built
Expected results: The building planner does not allow placement over resources, else the workers would remove the resource before floor placement
Actual results:The floor is placed over the resource, preventing workers from harvesting the resource.