The rectangles that I draw are no longer creating filled surfaces within their boundaries. Surfaces are randomly spread out

I am trying to make simple 3d building blocks however the rectangles that I draw are no longer creating filled surfaces within their boundaries. I cannot 3d the buildings in my model because the faces encroach on the line boundaries and are fragmented. I have tried removing the outer boundaries with no luck. It seems to be an issue in a specific area of the model. Would anyone know how to fix this?

Without seeing your model I would guess that it is either loose hidden geometry or incorrect tag usage.
Attach your model for a fuller answer

Takapuna Masterplan 3d Model.dae (3.5 MB)

Here is my model upload.

Takapuna Masterplan 3d Model.dae (3.5 MB)

Upload the saved .skp file, not the exported .dae.

Thanks, I have figured out the issue it was a hidden geometry issue.

I think you would do well to read up on groups and components and face orientation. You have lots of reversed faces and everything appears to be raw geometry when you could be saving yourself a lot of effort by using groups and components.

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