OCI-01763
update or delete involves outer joined table
Cause
For deletes, the table being deleted from is outer joined to some other table. For updates, either the table being updated is outer joined to some other table, or some table reachable from the primary table is being outer joined to a table not reachable from the primary table, or the underlying table being updated in a join view is referenced on the right side of an outer join or full outer join in the view.
Action
Change the join specification.