It would be quite a coincidence if it happened for the 1st time within hours of the rabbit's changing hands. Not impossible, but improbable.
You would be surprised how stress also brings on these conditions. Bunnies hide a lot because they are prey animals. Owners and breederssometimes can't tell.
Kreacher was rolling in less than 24 hours after I got him. Neville was fine in the morning and 12 hours later, his world was spinning out of control. (He was with me for more than a month)