If you receive such error it means that in the past you already had 2 bookings at the same time and the system can't change the value for smaller because of inner conflict, by default that number can be changed only for bigger number. | If you receive such error it means that in the past you already had 2 bookings at the same time and the system can't change the value for smaller because of inner conflict, by default that number can be changed only for bigger number. |