DB Error: Unknown column 'views' in 'field list'

Stack Trace:

File: /home/content/94/11652494/html/classes/issue/IssueGalleyDAO.inc.php line 380
Function: DAO->update("UPDATE issue_galleys SET views = views + 1 WHERE galley_id = ?", 3)

File: /home/content/94/11652494/html/pages/issue/IssueHandler.inc.php line 393
Function: IssueGalleyDAO->incrementViews("3")

File: /home/content/94/11652494/html/pages/issue/IssueHandler.inc.php line 221
Function: IssueHandler->_showIssueGalley(Object(Request), False)

File: (unknown) line (unknown)
Function: IssueHandler->download(Array(2), Object(Request))

File: /home/content/94/11652494/html/lib/pkp/classes/core/PKPRouter.inc.php line 362
Function: call_user_func(Array(2), Array(2), Object(Request))

File: /home/content/94/11652494/html/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(2), False)

File: /home/content/94/11652494/html/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))

File: /home/content/94/11652494/html/lib/pkp/classes/core/PKPApplication.inc.php line 190
Function: Dispatcher->dispatch(Object(Request))

File: /home/content/94/11652494/html/index.php line 64
Function: PKPApplication->execute()