ORA-14256

Error: ORA-14256: invalid resulting partition description(s)

Causa: User specified STORE-IN clause, SUBPARTITIONS clause, and/or subpartition_description 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.

Acción: Remove the invalid clause(s), or ensure that the table is partitioned by composite range method.