error removing multiple groups from a group

I tried to remove multiple groups as members of a group, and I got this error. Note, I dont have 1.4.2 quite, though it is 1.4 branch a few days before 1.4.2. Also, if I remove them individually, it works fine:

2009-06-05 23:57:23,738: [TP-Processor3] ERROR GrouperCapableAction.execute(282) - edu.internet2.middleware.grouper.exception\
.GroupNotFoundException: Cant find group by id:
at edu.internet2.middleware.grouper.internal.dao.hib3.Hib3GroupDAO.findByUuid(Hib3GroupDAO.java:852)
at edu.internet2.middleware.grouper.GroupFinder.findByUuid(GroupFinder.java:292)
at edu.internet2.middleware.grouper.ui.actions.RemoveGroupMembersAction.grouperExecute(RemoveGroupMembersAction.java:\
158)
at edu.internet2.middleware.grouper.ui.actions.GrouperCapableAction$1.callback(GrouperCapableAction.java:211)
at edu.internet2.middleware.grouper.internal.dao.hib3.Hib3TransactionDAO$1.callback(Hib3TransactionDAO.java:46)
at edu.internet2.middleware.grouper.hibernate.HibernateSession.callbackHibernateSession(HibernateSession.java:385)
at edu.internet2.middleware.grouper.internal.dao.hib3.Hib3TransactionDAO.transactionCallback(Hib3TransactionDAO.java:\
39)
at edu.internet2.middleware.grouper.hibernate.GrouperTransaction.callbackGrouperTransaction(GrouperTransaction.java:5\
4)
at edu.internet2.middleware.grouper.hibernate.GrouperTransaction.callbackGrouperTransaction(GrouperTransaction.java:7\
3)
at edu.internet2.middleware.grouper.ui.actions.GrouperCapableAction.grouperTransactionExecute(GrouperCapableAction.ja\
va:208)