Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [2002] Can't connect to local server through socket '/var/lib/mysql/mysql.sock' (2) in _registry_check_code() (line 3154 of /home2/vifwvn664ada/public_html/includes/bootstrap.inc).

Additional

PDOException: SQLSTATE[HY000] [2002] Can't connect to local server through socket '/var/lib/mysql/mysql.sock' (2) in _registry_check_code() (line 3154 of /home2/vifwvn664ada/public_html/includes/bootstrap.inc).