Question Error 3464

[byTimber]

"Data type mismatch in criteria expression" Error 3464

I get this on the <DoCmd.OpenForm "frmWrittenStatements"> in my code.

How on earth are any criteria attached to this?

The form exists.
Can anyone help?

 

[Galaxiom]

The criteria expression of the form's RecordSource query.

 

[byTimber]

Thanks so much Galaxiom; very much appreciated...