Custom Field in Receipt shows as System.String[]

Receipts: When we select the dropdown custom field it shows correctly in the printed document but it doesn’t show in the column instead it shows (System. String)

PLease show the edit screen of the custom field and the edit screen of the receipt

And, what edition and version of Manager are you using?
What Operating system?

Win 10 64
The item is an Inventory kit

Its working now fine

It would be helpful if you indicated what changes sorted this out, if you know

New version of Manager?
Operating system update?
Changes to settings ?

It happened when version
Today I checked it had become okay, the version is
So obviously by the New version