Exception occurred while logging exception: Failed to connect to the database: An exception occurred while executing 'PRAGMA journal_mode = WAL': SQLSTATE[HY000]: General error: 14 unable to open database file
#0 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/composer/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(992): OC\DB\Connection->connect()
#1 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/DB/Connection.php(210): Doctrine\DBAL\Connection->executeUpdate('PRAGMA read_unc...', Array, Array)
#2 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/composer/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(623): OC\DB\Connection->executeUpdate('PRAGMA read_unc...')
#3 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/DB/Connection.php(145): Doctrine\DBAL\Connection->setTransactionIsolation(2)
#4 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/composer/doctrine/dbal/lib/Doctrine/DBAL/DriverManager.php(172): OC\DB\Connection->__construct(Array, Object(Doctrine\DBAL\Driver\PDOSqlite\Driver), Object(Doctrine\DBAL\Configuration), Object(Doctrine\Common\EventManager))
#5 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/DB/ConnectionFactory.php(146): Doctrine\DBAL\DriverManager::getConnection(Array, Object(Doctrine\DBAL\Configuration), Object(Doctrine\Common\EventManager))
#6 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/Server.php(521): OC\DB\ConnectionFactory->getConnection('sqlite3', Array)
#7 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/composer/pimple/pimple/src/Pimple/Container.php(113): OC\Server->OC\{closure}(Object(OC\Server))
#8 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/AppFramework/Utility/SimpleContainer.php(111): Pimple\Container->offsetGet('DatabaseConnect...')
#9 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/ServerContainer.php(87): OC\AppFramework\Utility\SimpleContainer->query('DatabaseConnect...')
#10 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/Server.php(1192): OC\ServerContainer->query('DatabaseConnect...')
#11 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/Server.php(398): OC\Server->getDatabaseConnection()
#12 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/composer/pimple/pimple/src/Pimple/Container.php(113): OC\Server->OC\{closure}(Object(OC\Server))
#13 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/AppFramework/Utility/SimpleContainer.php(111): Pimple\Container->offsetGet('AppConfig')
#14 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/ServerContainer.php(87): OC\AppFramework\Utility\SimpleContainer->query('AppConfig')
#15 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/Server.php(1121): OC\ServerContainer->query('AppConfig')
#16 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/Server.php(575): OC\Server->getAppConfig()
#17 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/composer/pimple/pimple/src/Pimple/Container.php(113): OC\Server->OC\{closure}(Object(OC\Server))
#18 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/AppFramework/Utility/SimpleContainer.php(111): Pimple\Container->offsetGet('AppManager')
#19 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/ServerContainer.php(87): OC\AppFramework\Utility\SimpleContainer->query('AppManager')
#20 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/Server.php(1391): OC\ServerContainer->query('AppManager')
#21 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/legacy/app.php(346): OC\Server->getAppManager()
#22 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/private/legacy/app.php(110): OC_App::getEnabledApps()
#23 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/base.php(579): OC_App::loadApps(Array)
#24 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/lib/base.php(997): OC::init()
#25 /srv/data/web/vhosts/2017.ciot-conference.org/htdocs/owncloud/index.php(54): require_once('/srv/data/web/v...')
#26 {main}