php error happened

Technical information
Error type256
Error descriptionUnknown column 'Customer_id' in 'field list'
URLbook.calista.com.tr/registration/PASSPORT_list.php?
Error file/home/ftpuser/public_html/registration/connections/Connection.php
Error line642
SQL querySELECT `ID`, `Customer_id`, `Passport_no`, `Sex`, `Surname`, `Firstname`, `Date_of_birth`, `Date_of_issue`, `Date_of_expiry`, `Nationality`, `Place_of_birth`, `image` FROM `PASSPORT` ORDER BY 1 ASC

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