DB Error: Disk full (/tmp/#sql-temptable-284-f6ffa8-14.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")

Stack Trace:

File: /var/www/magazine.mdpu.org.ua/lib/pkp/classes/submission/SubmissionFileDAO.inc.php line 916
Function: DAO->retrieve("SELECT DISTINCT sf.file_id AS submission_file_id, sf.revisio...", Array(1))

File: /var/www/magazine.mdpu.org.ua/lib/pkp/classes/submission/SubmissionFileDAO.inc.php line 163
Function: SubmissionFileDAO->_getInternally(Null, Null, "7535", Null, Null, Null, Null, Null, Null, True)

File: /var/www/magazine.mdpu.org.ua/classes/article/ArticleGalley.inc.php line 107
Function: SubmissionFileDAO->getLatestRevision("7535")

File: /var/www/magazine.mdpu.org.ua/pages/article/ArticleHandler.inc.php line 130
Function: ArticleGalley->getFile()

File: /var/www/magazine.mdpu.org.ua/lib/pkp/classes/core/PKPRouter.inc.php line 390
Function: ArticleHandler->view(Array(0), Object(Request))

File: /var/www/magazine.mdpu.org.ua/lib/pkp/classes/core/PKPPageRouter.inc.php line 231
Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)

File: /var/www/magazine.mdpu.org.ua/lib/pkp/classes/core/Dispatcher.inc.php line 134
Function: PKPPageRouter->route(Object(Request))

File: /var/www/magazine.mdpu.org.ua/lib/pkp/classes/core/PKPApplication.inc.php line 252
Function: Dispatcher->dispatch(Object(Request))

File: /var/www/magazine.mdpu.org.ua/index.php line 68
Function: PKPApplication->execute()