In some case you may have edited a reservation and after making changes it seems that you have lost the reservation.
Although the booking sheet is used by most users, the Occupancy tab is the place to look for reservation in case the user made a mistake as on this tab all reservation entered in the system are displayed.
Tick “show all booking” now you can use the guest finder to locate a reservation or use the sorting options and manually locate a reservation. You can sort the sheet by clicking the header. By holding down the Ctrl button you can sort on multiple columns.
Once the reservation is located you can edit the reservation from here to correct the error you may have made.
Even if you deleted a reservation by mistake you can generate a cancelation report which provide you with information on the cancelled reservation.