>> What might I be doing wrong?
Literally anything Lee <g>...
>> I am returned a "File Access Error" of "Invalid Filename (45).
If I had to guess, which I suppose is what you're asking me to do, I'd say you had a "Cascade Delete" set in your dictionary on this table, and one of more of the related tables have a "variable full pathname" and one of those variables is not being set.
Cheers
Bruce