Error en la conexión a la base de datos: Access denied for user 'root'@'localhost' (using password: NO)

Warning: mysqli::__construct(): (HY000/1045): Access denied for user 'root'@'localhost' (using password: NO) in /var/www/html/_sys/lib/core/class.mysql.php on line 296
Error en la conexión a la base de datos: Access denied for user 'root'@'localhost' (using password: NO)

karmar (Release 3.0.5)

Error en la conexión a la base de datos: Access denied for user 'root'@'localhost' (using password: NO)

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