DB Error: Disk got full writing '.(temporary)' (Errcode: 28 "No space left on device")

Stack Trace:

File: /var/www/html/journal/public_html/classes/article/AuthorDAO.inc.php line 179
Function: DAO->retrieveRange("SELECT a.*, ug.show_title, s.locale, COALESCE(agl.setting_va...", Array(7), Object(DBResultRange))

File: /var/www/html/journal/public_html/pages/search/SearchHandler.inc.php line 266
Function: AuthorDAO->getAuthorsAlphabetizedByJournal("2", Null, Object(DBResultRange))

File: /var/www/html/journal/public_html/lib/pkp/classes/core/PKPRouter.inc.php line 390
Function: SearchHandler->authors(Array(0), Object(Request))

File: /var/www/html/journal/public_html/lib/pkp/classes/core/PKPPageRouter.inc.php line 231
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(0), False)

File: /var/www/html/journal/public_html/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))

File: /var/www/html/journal/public_html/lib/pkp/classes/core/PKPApplication.inc.php line 252
Function: Dispatcher->dispatch(Object(Request))

File: /var/www/html/journal/public_html/index.php line 68
Function: PKPApplication->execute()