It could be this is the fix! So you could be waiting a while (if not forever).too much code
i will need to roll back to a previous version of 365 until microsoft creates a fix
Sub testRangeName()
Debug.Print Sheet1.Range("Data").Address
End Sub
Dim Smo As String: Smo = Format(Range(ActiveWorkbook.Names("UIBilling_Month")), "m-yyyy")