Oracle Message ORA-14191 - ALLOCATE STORAGE may not be specified for Composite Range partitioned object

ERRORALLOCATE STORAGE may not be specified for Composite Range partitioned object
CAUSEUser specified ALLOCATE STORAGE clause in ALTER TABLE/ALTER INDEX statement issued against a range-partitioned index which is illegal.
ACTIONRemove the illegal option. If it is desired to add storage to individual partitions, ALLOCATE STORAGE clause may be specified with ALTER TABLE/INDEX MODIFY PARTITION statement.