Oracle Solution for Error ora-14634

ORA-14634: Subpartition descriptions cannot be specified during the SPLIT/MERGE of a partition of a Range-List partitioned table

What triggered the Error:

During a split or a merge of a partition of a range list partitioned table you cannot specify any subpartitioning information for the resulting partition (s)

What should we do to fix it:

Remove all subpartitioning information from the DDL.