Fatal error: Uncaught PDOException: could not find driver in C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\doctrine\dbal\lib\Doctrine\DBAL\Driver\PDOConnection.php:38 Stack trace: #0 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\doctrine\dbal\lib\Doctrine\DBAL\Driver\PDOConnection.php(38): PDO->__construct() #1 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php(67): Doctrine\DBAL\Driver\PDOConnection->__construct() #2 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php(45): Illuminate\Database\Connectors\Connector->createPdoConnection() #3 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection() #4 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\ConnectionFactory.php(184): Illuminate\Database\Connectors\MySqlConnector->connect() #5 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->{closure:Illuminate\Database\Connectors\ConnectionFactory::createPdoResolverWithHosts():179}() #6 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(926): call_user_func() #7 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(961): Illuminate\Database\Connection->getPdo() #8 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(405): Illuminate\Database\Connection->getReadPdo() #9 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(360): Illuminate\Database\Connection->getPdoForSelect() #10 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(664): Illuminate\Database\Connection->{closure:Illuminate\Database\Connection::cursor():352}() #11 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(631): Illuminate\Database\Connection->runQueryCallback() #12 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(352): Illuminate\Database\Connection->run() #13 [internal function]: Illuminate\Database\Connection->cursor() #14 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionDAO.inc.php(37): Generator->current() #15 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionManager.inc.php(170): SessionDAO->getSession() #16 [internal function]: SessionManager->read() #17 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionManager.inc.php(60): session_start() #18 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionManager.inc.php(131): SessionManager->__construct() #19 C:\inetpub\wwwroot\MHK\lib\pkp\classes\i18n\PKPLocale.inc.php(131): SessionManager::getManager() #20 C:\inetpub\wwwroot\MHK\lib\pkp\classes\i18n\PKPLocale.inc.php(290): PKPLocale::getLocale() #21 C:\inetpub\wwwroot\MHK\lib\pkp\classes\core\Dispatcher.inc.php(116): PKPLocale::initialize() #22 C:\inetpub\wwwroot\MHK\lib\pkp\classes\core\PKPApplication.inc.php(360): Dispatcher->dispatch() #23 C:\inetpub\wwwroot\MHK\index.php(68): PKPApplication->execute() #24 {main} Next Doctrine\DBAL\Driver\PDO\Exception: could not find driver in C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\doctrine\dbal\lib\Doctrine\DBAL\Driver\PDO\Exception.php:18 Stack trace: #0 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\doctrine\dbal\lib\Doctrine\DBAL\Driver\PDOConnection.php(42): Doctrine\DBAL\Driver\PDO\Exception::new() #1 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php(67): Doctrine\DBAL\Driver\PDOConnection->__construct() #2 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\Connector.php(45): Illuminate\Database\Connectors\Connector->createPdoConnection() #3 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection() #4 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connectors\ConnectionFactory.php(184): Illuminate\Database\Connectors\MySqlConnector->connect() #5 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->{closure:Illuminate\Database\Connectors\ConnectionFactory::createPdoResolverWithHosts():179}() #6 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(926): call_user_func() #7 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(961): Illuminate\Database\Connection->getPdo() #8 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(405): Illuminate\Database\Connection->getReadPdo() #9 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(360): Illuminate\Database\Connection->getPdoForSelect() #10 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(664): Illuminate\Database\Connection->{closure:Illuminate\Database\Connection::cursor():352}() #11 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(631): Illuminate\Database\Connection->runQueryCallback() #12 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(352): Illuminate\Database\Connection->run() #13 [internal function]: Illuminate\Database\Connection->cursor() #14 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionDAO.inc.php(37): Generator->current() #15 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionManager.inc.php(170): SessionDAO->getSession() #16 [internal function]: SessionManager->read() #17 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionManager.inc.php(60): session_start() #18 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionManager.inc.php(131): SessionManager->__construct() #19 C:\inetpub\wwwroot\MHK\lib\pkp\classes\i18n\PKPLocale.inc.php(131): SessionManager::getManager() #20 C:\inetpub\wwwroot\MHK\lib\pkp\classes\i18n\PKPLocale.inc.php(290): PKPLocale::getLocale() #21 C:\inetpub\wwwroot\MHK\lib\pkp\classes\core\Dispatcher.inc.php(116): PKPLocale::initialize() #22 C:\inetpub\wwwroot\MHK\lib\pkp\classes\core\PKPApplication.inc.php(360): Dispatcher->dispatch() #23 C:\inetpub\wwwroot\MHK\index.php(68): PKPApplication->execute() #24 {main} Next Illuminate\Database\QueryException: could not find driver (SQL: SELECT * FROM sessions WHERE session_id = e45cba215cbf9403f59dd9092181818b) in C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php:671 Stack trace: #0 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(631): Illuminate\Database\Connection->runQueryCallback() #1 C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php(352): Illuminate\Database\Connection->run() #2 [internal function]: Illuminate\Database\Connection->cursor() #3 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionDAO.inc.php(37): Generator->current() #4 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionManager.inc.php(170): SessionDAO->getSession() #5 [internal function]: SessionManager->read() #6 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionManager.inc.php(60): session_start() #7 C:\inetpub\wwwroot\MHK\lib\pkp\classes\session\SessionManager.inc.php(131): SessionManager->__construct() #8 C:\inetpub\wwwroot\MHK\lib\pkp\classes\i18n\PKPLocale.inc.php(131): SessionManager::getManager() #9 C:\inetpub\wwwroot\MHK\lib\pkp\classes\i18n\PKPLocale.inc.php(290): PKPLocale::getLocale() #10 C:\inetpub\wwwroot\MHK\lib\pkp\classes\core\Dispatcher.inc.php(116): PKPLocale::initialize() #11 C:\inetpub\wwwroot\MHK\lib\pkp\classes\core\PKPApplication.inc.php(360): Dispatcher->dispatch() #12 C:\inetpub\wwwroot\MHK\index.php(68): PKPApplication->execute() #13 {main} thrown in C:\inetpub\wwwroot\MHK\lib\pkp\lib\vendor\laravel\framework\src\Illuminate\Database\Connection.php on line 671