DB Error: Disk full (/tmp/#sql_280_0.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")

Stack Trace:

File: /home/ejournal/public_html/classes/article/PublishedArticleDAO.inc.php line 388
Function: DAO->retrieve("SELECT ps.*, s.*, COALESCE(stl.setting_value, stpl.setti...", Array(10))

File: /home/ejournal/public_html/classes/article/PublishedArticleDAO.inc.php line 352
Function: PublishedArticleDAO->getBySetting("pub-id::publisher-id", "95", Null)

File: /home/ejournal/public_html/classes/article/PublishedArticleDAO.inc.php line 404
Function: PublishedArticleDAO->getPublishedArticleByPubId("publisher-id", "95", Null, Null)

File: /home/ejournal/public_html/classes/article/PublishedArticleDAO.inc.php line 45
Function: PublishedArticleDAO->getPublishedArticleByBestArticleId(Null, "95", Null)

File: (unknown) line (unknown)
Function: PublishedArticleDAO->_articleCacheMiss(Object(GenericCache), "95")

File: /home/ejournal/public_html/lib/pkp/classes/cache/GenericCache.inc.php line 63
Function: call_user_func_array(Array(2), Array(2))

File: /home/ejournal/public_html/classes/article/PublishedArticleDAO.inc.php line 345
Function: GenericCache->get("95")

File: /home/ejournal/public_html/classes/article/PublishedArticleDAO.inc.php line 404
Function: PublishedArticleDAO->getPublishedArticleByPubId("publisher-id", "95", "1", True)

File: /home/ejournal/public_html/plugins/generic/citationStyleLanguage/pages/CitationStyleLanguageHandler.inc.php line 101
Function: PublishedArticleDAO->getPublishedArticleByBestArticleId("1", "95", True)

File: /home/ejournal/public_html/plugins/generic/citationStyleLanguage/pages/CitationStyleLanguageHandler.inc.php line 36
Function: CitationStyleLanguageHandler->_setupRequest(Array(1), Object(Request))

File: (unknown) line (unknown)
Function: CitationStyleLanguageHandler->get(Array(1), Object(Request))

File: /home/ejournal/public_html/lib/pkp/classes/core/PKPRouter.inc.php line 390
Function: call_user_func(Array(2), Array(1), Object(Request))

File: /home/ejournal/public_html/lib/pkp/classes/core/PKPPageRouter.inc.php line 232
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)

File: /home/ejournal/public_html/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))

File: /home/ejournal/public_html/lib/pkp/classes/core/PKPApplication.inc.php line 247
Function: Dispatcher->dispatch(Object(Request))

File: /home/ejournal/public_html/index.php line 68
Function: PKPApplication->execute()