I have a database that I converted to an .mde and I then distributed it using the 2003 Developers Extension Tools Packaging Wizard. So it is being accessed using a runtime version of Access 2003. On one of the reports, I am concatenating two fields, [LastName] and [FirstName], from the underlying query. When the end user tries to preview the report, #error# shows up where the concatenated field is. When I view it using a full version of Access, the field shows as it should. Can anyone give me some direction as to how to fix this problem? Thanks.