Oracle Solution for Error ora-14256

Solution for Oracle Error ORA-14256

ORA-14256: invalid resulting partition description(s)

What triggered the Error:

User specified STORE-IN clause, SUBPARTITIONS clause, and/or clause in partition description(s) in ALTER TABLE SPLIT PARTITION or ALTER TABLE MERGE PARTITIONS statement but the table in the maintenance operation is not a Composite Range partitioned table which is illegal

What should we do to fix it:

Remove invalid clause(s), or ensure that the table is partitioned by Composite Range method