Other mistake: When the nanny comes home with the tags, they call Jewel to get hers first. Jewel has a penis.
Other mistake: When the two robbers are following the puppy trails through the woods and are nearing exhaustion they spot the police convoy coming along the road. The cars appear to be mostly Range Rovers. In a latter scene though, Cruella joins them in the prison van and the convoy of police cars is seen to be leaving the village, but most of the police cars appear to have changed to Land Rover Discoveries, instead of the earlier Range Rovers.