Can CLV be negative?

Could you please clarify for me if it's possible for the Customer Lifetime Value, or CLV, to be negative? I'm curious about the scenarios where this might occur and how it would impact businesses that rely on customer retention and loyalty. Is there a specific formula or calculation that determines when CLV becomes negative, and what steps should companies take to prevent this from happening? Additionally, how does a negative CLV differ from a low or zero CLV, and what are the potential consequences of having a negative CLV for a business?