What is the nature of the threat of property workers calling for moving cars and inviting owners to take knives?

The property staff called to ask for moving the car and invited the owner to threaten with a knife, which did not constitute a crime, but violated the provisions of Article 42 of the Law on Public Security Administration Punishment. According to relevant information, under normal circumstances, threatening with a knife is a violation of Article 42 of the Law on Public Security Administration Punishment, and it is an act of threatening the personal safety of others by other means. Can be detained for up to five days or fined up to five hundred yuan. If the circumstances are serious, they shall be detained for not less than five days but not more than ten days and fined not more than five hundred yuan.