Apparently there's a type mismatch in an expression. Open the Form in
design view (can you do that?) and check its Recordsource property -
is it a query? Do you get the message when you open the Query
directly? If so, you may have a text field linked to a numeric field
or the like. If the Recordsource is OK, check the RowSource properties
of your combo and listboxes. Also check the Filter property.
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