Many things could cause this.
Stress
Temps off
Prey was to large
Fight or flight response

Your snake should be fine but make sure that your heat source is correct and nothing is off in it's habitat. Wait 10 to 14 days before feeding again and when you do feed use a prey item that is half the size of it's regular meal. I would leave you snake be during this time as well.

Shortly after I got my gtp I had a regurg 4 days after a feed. It was rank and messy. I think it was just stress from the move but following the steps above she did fine afterwards and is doing great today.