Resolution 1: Open the screen and click the New button or press Ctrl+N, before you enter any data into the screen.
Resolution 2: Create the following screen customization by adding code to the Sales Order Number object:
Private Sub cordnbr_0_Chk(ChkStrg As String, retval As Integer)
If InStr(ChkStrg, "NEW") > 0 Then
Article ID: 2953163 - Last Review: 3 Feb 2017 - Revision: 2