House invisible on lot

[moodytot]

This isn't really that big an issue right now, but after I forcibly quit the game (due to horrible lagging), the house for the lot I was playing is now invisible. Invisible, as in the walls and roof are gone, but a few other things like the terrain are still there.

The reason I ask how to restore the lot is cuz I remember a previous time this happened and after a while, I could no longer access that lot.

I have SimPe backups, but I haven't backed up in a while and if possible, I want to avoid using the old files...

Thank you for your help once again!

[ancienthighway]

My guess is the lot is now toast.  If you're lucky, you can move the family out and into a new house, but that particular lot needs to be bulldozed.