I'll take a look, thanks! @timrodman

@roycelithgo I haven't worked with general inquiries before.  I'll have to give it a try!  Appreciate all the help!

@roycelithgo Excellent advice!  I guess the problem was with the status of the PO.  It's "Pending Printing".  The system found the orde...

@roycelithgo Good eye!  I can't believe I've overlooked such a simple thing.  I've changed "Add Purchase Order" to "Add Purchase Order Line"...

@roycelithgo Thank you for your help on this.  I have column header as "PO Type", and the value as "Normal" in my excel file for data provider.&n...

@roycelithgo Right!  Sorry about that.  Screenshots are below.  

@megan-friesen Thank you for your reply.  Here's some more background on my situation: I'm starting completely from scratch.  I've start...