Additional uncaught exception thrown while handling exception.

Original

PDOException: SQLSTATE[HY000] [1040] Too many connections in lock_may_be_available() (line 167 of /var/www/clearinghouse-v2/docroot/includes/lock.inc).

Additional

PDOException: SQLSTATE[08004] [1040] Too many connections in db_merge() (line 2504 of /var/www/clearinghouse-v2/docroot/includes/database/database.inc).