Additional uncaught exception thrown while handling exception.

Original

DatabaseDriverNotSpecifiedException: Driver not specified for this database connection: default in Database::openConnection() (line 1682 of /var/www/sites/ala-rt/web/includes/database/database.inc).

Additional

DatabaseDriverNotSpecifiedException: Driver not specified for this database connection: default in Database::openConnection() (line 1682 of /var/www/sites/ala-rt/web/includes/database/database.inc).