The employee of the shop looks very much after his motor home, and he is very reluctant to lend it. As an example of how much he takes care of the van, he mentions that he uses 98 octane petrol (gas). Motor homes in Spain (except for a few very old ones) run on diesel.
The goof item below may give away important plot points.
Near the end of the last match of the tournament, a player dribbles in the wrong direction, across the center line toward the opposite end of the court, but he is not called for a half-court violation which would have resulted in a turnover.