In web version (Sage 300 web Screens)  while i am doing any PO Receipt or OE Shipment or other transaction related to LOT enable items then system is not asking any LOT detail and not showing the LOT window while pop-up is allowed in browser. and when move cursor from quantity field or hit keyboard enter button then it is throwing this error in below attachment. Could anyone please help me what is the issue. or  explain me if there is any otter procedure for lot items in receipt or shipment in web screens.