Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [2002] Connection refused in drupal_is_denied() (line 1921 of /var/sites/a/astrasigns.adaptstudios.co.uk/public_html/includes/bootstrap.inc).

Additional

PDOException: SQLSTATE[HY000] [2002] Connection refused in dblog_watchdog() (line 150 of /var/sites/a/astrasigns.adaptstudios.co.uk/public_html/modules/dblog/dblog.module).