Check settings for background fills of each object, and fill display in Model View Options (or whatever it was called in AC9 - it's been a while sorry.) It might be a display order issue that doesn't show up because of fill display settings.
You may need to select the object (hide the layer with the floor texture if you cannot find it with the texture), and change its Display Order to Bring Forward or Bring to Front. The objects might be "under" the floor texture.
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