I've dropped the access_level row, and run with ?debug and I see this in the logs/basebase.log.php
2014-05-02 16:00:07 - While executing query 'SELECT MAX(group_quota) AS disk_max, MIN(group_quota).....
in bridge/udb_base.inc.php on line 323 the follow...
2014-05-02 16:00:07 - While executing query 'SELECT MAX(group_quota) AS disk_max, MIN(group_quota).....
in bridge/udb_base.inc.php on line 323 the follow...