Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [1129] Host '10.0.1.117' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' in _registry_check_code() (line 3486 of /var/www/html/hkmb/includes/bootstrap.inc).

Additional

PDOException: SQLSTATE[HY000] [1129] Host '10.0.1.117' is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts' in _registry_check_code() (line 3486 of /var/www/html/hkmb/includes/bootstrap.inc).