I created my form, used the formcalc, previewed it, and got this message:Script failed (language is formcalc; context is xfa[0].form[0].#subform[0].tuitioncost[0])script=NumericField8Error: accessor 'NumericField8' is unknownHowever, when i "ok"ed it, the formula worked as needed. How can i stop thi...