php error happened

Technical information
Error type256
Error descriptionUnknown column 'In_House' in 'field list'
URLbook.calista.com.tr/registration/RESERVATION_list.php?
Error file/home/ftpuser/public_html/registration/connections/Connection.php
Error line642
SQL querySELECT `ID`, `In_House`, `Company_id`, `Res_No`, `Room_No`, `Room_Type_id`, `Arrival_Date`, `Departure_Date`, `Adult`, `Child`, `Infant` FROM `RESERVATION` ORDER BY 1 ASC

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