Search Engine cache links for off market listings create an empty listing page

[spmiller2]

If you follow a link from a search engine like Google, for a listing that is no longer available, in some cases it will produce a page which shows the address, but no photo or listing details.

The address is produced from the URL, but the fact that the listing no longer exists means that no details can be pulled from the listings API.

Some clients have expressed it being preferable/less confusing for that to go to a "listing not found" message instead of reporting the address of the listing.

[spmiller2]

We have a preliminary update you can apply manually if you have an urgent need to address this - reach out to us at [email protected] for details. It makes the listing details report that they are no longer available for listings that are no longer on the MLS.

[CodyReichert]

Pull request #222 contains an update with a partial fix, though this is still in progress.