Oracle insert - selectKey problem

[Shardayyy]

Hey folks,     I am having a problem getting this to work. Any help would be appreciated. What am trying to do is insert a person and return the Id that was used in inserting the person.   Target Database is Oracle 9.2 iBatis Version 2.1.7 - Jan 21, 2006           <insert id="savePerson"  parameterClass="PersonObject" resultClass="int">             <selectKey  property="personId" type="pre"  resultClass="int">                    select SEQ_PERSON.nextval as seqId from dual           </selectKey>         INSERT INTO PERSON_TBL ( personId, name, age,gender) VALUES (#seqId#, #name#, #age#, #gender#)     </insert>    Error message is: