Add the field to your table and define it to auto-enter a serial number.
Put this field on your layout for this same table.
Put the cursor in this field.
Select Replace Field Contents from the records menu.
Select the serial numbers option and also specify the "update" option so that your "next serial value" setting on this field will also update.
where is the records menu in step 4?
"Select Replace Field Contents from the records menu."
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It worked! Thank you!