I had this a short while ago.
Was the sale mission on four Bagger motorcycles that you had to deliver into the back of trucks, by any chance?
I've had two where this particularly sales mission caused an issue. The first was when I delivered 3/4 vehicles, because immediately after delivering the 3rd the game didn't recognise I had another vehicle remaining, and thought it had blown up (and no other player could've done it), and the second time was when I actually completed the sale mission successfully, but was immediately presented with a black Rockstar Alert screen saying that there was an error with the transaction or catalogue data.
I wouldn't mind so much, but at least one business seems to be glitching for some people right now - requiring more supplies than ever before before they've gotten full product.