Warning: session_start(): Failed to read session data: user (path: C:\Windows\Temp\) in C:\inetpub\wwwroot\NLPS\OJS33\lib\pkp\classes\session\SessionManager.inc.php on line 58

Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] No connection could be made because the target machine actively refused it.
 in C:\inetpub\wwwroot\NLPS\OJS33\lib\pkp\lib\vendor\doctrine\dbal\lib\Doctrine\DBAL\Driver\PDOConnection.php:38
Stack trace:
#0 C:\inetpub\wwwroot\NLPS\OJS33\lib\pkp\lib\vendor\doctrine\dbal\lib\Doctrine\DBAL\Driver\PDOConnection.php(38): PDO->__construct('mysql:host=loca...', 'ojs', 'ojs', Array)
#1 C:\inetpub\wwwroot\NLPS\OJS33\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php(67): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=loca...', 'ojs', 'ojs', Array)
#2 C:\inetpub\wwwroot\NLPS\OJS33\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php(46): Illuminate\Database\Connectors\Connector->createPdoConnection('mysql:host=loca...', 'ojs', 'ojs', Array)
#3 C:\inetpub\wwwroot\NLPS\OJS33\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\MySqlConnector.php(24): Illuminate\Database\Connecto in C:\inetpub\wwwroot\NLPS\OJS33\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php on line 671