I had no trouble searching for it

Are you sure you didn't make a typing error?

The problem isn't searching for it, but it's clicking the found result.

Sorry, I misunderstood. Yes, clicking on anything there ("more info" link, picture, title) yields the same error.

I also just now tried it. If typing in the title, it'll readily come up in search results, with the poster and description showing, but then won't open if clicked on; the error response results. Meanwhile, if going to indicated star Catherine Bell's profile page, she's not linked to that title (though is to various other Good Witch titles, none which seem to be the same thing, nor are any of the titles of individual Good Witch series episodes).