Oh... errrm
Have you set a reference to the Access object library?
To get Office programs talking to eachother you need to set a reference to each application's object library in the relevant program's VBE (Visual Basic Editor)
So, in your Word VBE - goto Tools|References and scroll down the listbox until you get to Microsoft Access x.0 Object Library (where x is the version i.e 9.0 for Office 2000)
Check the box & you shouldn't get the error message..
Hope this helps,