Through cms not possible to persist child nodes like hippo query or facet select

Stc

27.06.2008 13:33:29 ERROR [org.hippoecm.frontend.plugin.workflow.AbstractWorkflowPlugin$2.onClick():152] Invalid data to save
javax.jcr.nodetype.ConstraintViolationException: 837a0374-5dd9-42b2-b9bc-f650810eed28 needs to be saved as well.
at org.apache.jackrabbit.core.ItemImpl.save(ItemImpl.java:1192)
at org.apache.jackrabbit.core.SessionImpl.save(SessionImpl.java:896)
at org.hippoecm.repository.decorating.SessionDecorator.save(SessionDecorator.java:267)