Fatal error: Uncaught PDOException: SQLSTATE[28000] [1045] Access denied for user 'root'@'localhost' (using password: NO) in /home/kolenggf/public_html/chamilo/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php:43 Stack trace: #0 /home/kolenggf/public_html/chamilo/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOConnection.php(43): PDO->__construct('mysql:host=loca...', 'root', '', Array) #1 /home/kolenggf/public_html/chamilo/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/PDOMySql/Driver.php(44): Doctrine\DBAL\Driver\PDOConnection->__construct('mysql:host=loca...', 'root', '', Array) #2 /home/kolenggf/public_html/chamilo/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(360): Doctrine\DBAL\Driver\PDOMySql\Driver->connect(Array, 'root', '', Array) #3 /home/kolenggf/public_html/chamilo/vendor/doctrine/dbal/lib/Doctrine/DBAL/Connection.php(833): Doctrine\DBAL\Connection->connect() #4 /home/kolenggf/public_html/chamilo/main/inc/lib/database.lib.php(217): Doctrine\DBAL\Connection->executeQuery('SET sql_mode = . in /home/kolenggf/public_html/chamilo/vendor/doctrine/dbal/lib/Doctrine/DBAL/Driver/AbstractMySQLDriver.php on line 103