"only a may follow description(s) of resulting partitions"
*Cause: Descriptions of partition(s) resulting from splitting of a
table or index partition may be followed by an optional
which applies to the entire statement and
which, in turn, may not be followed by any other clause.
*Action: Ensure that all partition attributes appear within the
parenthesized list of descriptions of resulting partitions in
ALTER TABLE/INDEX SPLIT PARTITION statement.