Lumping an item can only be done if the status of the Folio is still reserved or in house.You can always cancel the item that has been lumped already and you can always click the show button to see thecontent of it
How to Lump an Invoice item(s)
- Go to Front office>Reservation>Manage Reservation.
- Set the basic search criteria, then click search, or search by reservationID then click enter.
- Select the folio and click the button "continue with selected reservation at the top right corner"