When you are extending a view object (VO) in OA Framework it's possible that you will run in to the problem java.sql.SQLException: Invalid column type , especially if it's an LOV VO you are trying to extend. When you click on the LOV torch for the first time it is working fine. But whenever you click on the GO button in the LOV Region it gives an error. The error can look like this: oracle.apps.fnd.framework.OAException: oracle.jbo.SQLStmtException:
JBO-27122: SQL error during statement preparation.
Statement: SELECT * FROM (SELECT ca.location LocId,
ca.party_site_number LocNumber,
ca.party_name PartyName,
ca.party_number PartyNumber,
ca.address1 Address1,
ca.address2 Address2,
ca.address3 Address3,
ca.address4 Address4,
ca.city City,
ca.state State,
ca.zip PostalCode,
ca.country Country,
ca.party_id partyId,
hzp.site_use_type CurrSiteUsage
FROM csi_hzpty_addresses_v ca,
hz_party_site_uses hzp,
hz_cust_acct_sites_all hcas,
hz_cust_site_uses_all hcsu
W...