Scipt does not run in 2008 but runs in 2000 server! Can any one help!!!!

INSERT INTO
   Appraisers (ContactID, FirstName, LastName, Company, PostDate)
SELECT
   TopAppraiserList.[Appraiser Id],
   TopAppraiserList.[Appraiser_First Name],
   TopAppraiserList.[Appraiser_LAST Name],
   TopAppraiserList.[Appraiser_Company Name], GETDATE()
FROM   Appraisers RIGHT OUTER JOIN
            TopAppraiserList
ON
   Appraisers.ContactID = TopAppraiserList.[Appraiser Id]
WHERE    
   Appraisers.ContactID IS NULL AND TopAppraiserList.[Appraiser Id] IS NOT NULL AND TopAppraiserList.[Appraiser_First Name] IS NOT NULL