Oracle Message QSM-02010 - join predicate with operator other than equals (=)

ERRORjoin predicate with operator other than equals (=)
CAUSEThe capability in question is not supported when the materialized uses a relationship operator other than equals (=) in a join in the WHERE clause. This is known as a non-equijoin.
ACTIONRe-phrase the query to avoid the non-equijoin.