Warning: session_start(): Failed to read session data: user (path: /var/lib/php/sessions) in /var/www/html/mup_preprints/lib/pkp/classes/session/SessionManager.inc.php on line 58

Fatal error: Uncaught Exception: DB Error: Table 'mup_preprints.sessions' doesn't exist Query: SELECT * FROM sessions WHERE session_id = ? in /var/www/html/mup_preprints/lib/pkp/classes/db/DAO.inc.php:703 Stack trace: #0 /var/www/html/mup_preprints/lib/pkp/classes/db/DAO.inc.php(103): DAO->handleError() #1 /var/www/html/mup_preprints/lib/pkp/classes/session/SessionDAO.inc.php(37): DAO->retrieve() #2 /var/www/html/mup_preprints/lib/pkp/classes/session/SessionManager.inc.php(168): SessionDAO->getSession() #3 [internal function]: SessionManager->read() #4 /var/www/html/mup_preprints/lib/pkp/classes/session/SessionManager.inc.php(58): session_start() #5 /var/www/html/mup_preprints/lib/pkp/classes/session/SessionManager.inc.php(129): SessionManager->__construct() #6 /var/www/html/mup_preprints/lib/pkp/classes/security/Validation.inc.php(377): SessionManager::getManager() #7 /var/www/html/mup_preprints/lib/pkp/classes/core/PKPPageRouter.inc.php(66): Validation::isLoggedIn() #8 /var/www/html/mup_preprints/lib/pkp/classes/core/Di in /var/www/html/mup_preprints/lib/pkp/classes/db/DAO.inc.php on line 703