Warning: session_start(): Failed to read session data: user (path: ) in /code/lib/pkp/classes/session/SessionManager.inc.php on line 60

Fatal error: Uncaught PDOException: SQLSTATE[08004] [1040] Too many connections in /code/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:38 Stack trace: #0 /code/lib/pkp/lib/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(38): PDO->__construct('mysql:host=mysq...', 'philology', 'm%!}pFB4pd%EOND', Array) #1 /code/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(67): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=mysq...', 'philology', 'm%!}pFB4pd%EOND', Array) #2 /code/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(46): Illuminate\Database\Connectors\Connector->createPdoConnection('mysql:host=mysq...', 'philology', 'm%!}pFB4pd%EOND', Array) #3 /code/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection('mysql:host=mysq...', Array, Array) #4 /code/lib/pkp/lib/vendor/laravel/framework/src/Illumi in /code/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 671