Description of problem:

When i want to preview an item (attached to root category), i have an
exception.

com.arsdigita.persistence.PersistenceException:  (root cause:
com.redhat.persistence.engine.rdbms.RDBMSEngine$2: ORA-01008: not all
variables bound
)
        at
com.arsdigita.persistence.PersistenceException.newInstance(PersistenceException.java:137)
        at
com.arsdigita.persistence.PersistenceException.newInstance(PersistenceException.java:109)
        at
com.arsdigita.persistence.DataQueryImpl.next(DataQueryImpl.java:458)
        at
com.arsdigita.categorization.Category.getChildrenByURL(Category.java:2041)
        at
com.arsdigita.cms.dispatcher.CategoryItemResolverImpl.getItem(CategoryItemResolverImpl.java:191)


Version-Release number of selected component (if applicable):


How reproducible:
always (CMS 6.0.1)

Steps to Reproduce:
1. preview an item attached to root category.
  
Actual results:
exception (see above)

Expected results:
item preview

Additional info:

Solution is to replace (line 2037)
da.setParameter("__FILTERPARAMS__parentID", child.getID());

by 

da.setParameter("parentID", child.getID());