Sample not displaying in the table if item type is sample sheet

We have received a notification e-mail of a real user who has requested validation from Safety. Safety hasn't received the e-mail because it was sent to FAKE_expsaf@esrf.fr but that isn't a problem, we will forward the notification to them on Monday.

However, we have noticed an issue in this parcel. It seems that the users have not selected a sample from the dropdown list of samples under samplesheet. Instead, they selected "samplesheet" as type of item and added a name and comment to the item (see screenshot below). In this case the sample and description fields in the table are empty.

Can we force the selection of a sample in the sample list other than "select sample..."?