Joke Collection Website - Mood Talk - Why is the hotel room full when it is open?

Why is the hotel room full when it is open?

System failure, reservation conflict, human error.

1. System failure: The hotel's reservation system failed, resulting in inaccurate room status display.

2. Reservation conflict: multiple guests reserve the same room at the same time, resulting in full room status display.

3. Human error: hotel staff made mistakes in operating the reservation system, which led to inaccurate room status display.