A Manitoba judge erred in allowing a man who pleaded guilty of child luring to serve his sentence outside jail, the province's highest court has ruled.

The man was arrested after arranging to meet a Winnipeg police officer posing as a 14-year-old girl on Craigslist, offering her $50 to sexually touch her and keep her underwear. The sentencing judge imposed a conditional sentence of two years less a day.

Last month, Manitoba's Court of Appeal granted an appeal by the Crown and resentenced the accu…