Oracle Message ORA-14294 - Number of partitions does not match number of subpartitions

ERRORNumber of partitions does not match number of subpartitions
CAUSEWhen exchanging a partitioned table with a composite partition the number of partitions of the table must match the number of subpartitions of the composite partition.
ACTIONEnsure that the number of partitions in the partitioned table is the same as the number of subpartitions in the the composite partition.