DB Error: Expression #8 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'ojs_caucasus.asplfn.setting_value' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by

Stack Trace:

File: /var/www/ojs/data/www/caucasushistory.ru/classes/article/AuthorDAO.inc.php line 168
Function: DAO->retrieveRange("SELECT DISTINCT CAST('' AS CHAR) AS url, 0 AS author_id,...", Array(22), Object(DBResultRange))

File: /var/www/ojs/data/www/caucasushistory.ru/pages/search/SearchHandler.inc.php line 242
Function: AuthorDAO->getAuthorsAlphabetizedByJournal("1", "Q", Object(DBResultRange))

File: (unknown) line (unknown)
Function: SearchHandler->authors(Array(0), Object(Request))

File: /var/www/ojs/data/www/caucasushistory.ru/lib/pkp/classes/core/PKPRouter.inc.php line 362
Function: call_user_func(Array(2), Array(0), Object(Request))

File: /var/www/ojs/data/www/caucasushistory.ru/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(0), False)

File: /var/www/ojs/data/www/caucasushistory.ru/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))

File: /var/www/ojs/data/www/caucasushistory.ru/lib/pkp/classes/core/PKPApplication.inc.php line 178
Function: Dispatcher->dispatch(Object(Request))

File: /var/www/ojs/data/www/caucasushistory.ru/index.php line 65
Function: PKPApplication->execute()