I am Hideaki Hagiwara in Japan.
1.Set 'Single Row Layout' of Order Line to 'false(N)' at Window,Tab Field.(image1.jpg)
2.'Elm Tree' that is Product of GardenWorld is setting UOM Conversion.(image2.jpg)
3.Create Sales Order.and create Order Line at detail record tab. I can't select UOM(image3.jpg)
4.Of courese, I can Select UOM at Single Row Layout and Grid Layout(image4.jpg).I can't select UOM at detail record tab Only.
May be related:
I'm sorry for my poor English.