Create Sale order Record then added sale order lines and added quantity then click on "CONFIRM" button for sale order confirm , click on "DELIVERY" smart button , Click on "VALIDATE" button for validate picking record Then click on "RETURN" button for return picking record , open wizard when click on return button here set quantity more than order quanitity

Create Sale order Record then added sale order lines and added quantity then click on "CONFIRM" button for sale order confirm , click on "DELIVERY" smart button , Set Quantity on "DETAILS OPERATION" tab , Set done quantity more then reserved quantity

Create Sale order Record then added sale order lines and added quantity then click on "CONFIRM" button for sale order confirm , click on "DELIVERY" smart button , Click on "VALIDATE" button for validate picking record Then click on "RETURN" button for return picking record , open wizard when click on return button , Return record successfully , that return reocord open set same product in operations tab , you can show validation error when select same product

Create Sale order Record then added sale order lines and added quantity then click on "CONFIRM" button for sale order confirm , click on "DELIVERY" smart button , Click on "VALIDATE" button for validate picking record Then click on "RETURN" button for return picking record , open wizard when click on return button , Return record successfully , that return reocord open checked in lines three line in last click on that line set quantity more than demand quantity you can show validation when you put quantity based on that condition

Create Sale order Record then added sale order lines and added quantity then click on "CONFIRM" button for sale order confirm ,click on "CREATE INVOICE" button and then "CONFIRM" that invoice ,click on "DELIVERY" smart button , Click on "VALIDATE" button for validate picking record Then click on "RETURN" button for return picking record , open wizard when click on return button , Return record successfully , Goto again "INVOICE" smart button when open record click on "REGISTER PAYMENT" button then click on "ADD CREDIT NOTE" button ,here you set quantity on "INVOICE LINE" , when you set more refund quantity show validation error

Create Sale order Record then added sale order lines and added quantity then click on "CONFIRM" button for sale order confirm , Go to "DELIVERY" Smart button when open record click on "VALIDATE" button , Click on RETURN button and then click on "ADD A LINE" button on Show validation error

Create Sale order record then added sale order lines and "CONFIRM" sale order , Click on "CREATE INVOICE" button , open that record and CONFIRM invoice , Goto "DELIVERY" smart button "VALIDATE" that record and Click on "RETURN" button , open return record and "VALIDATE" that record , Goto Again "INVOICE" smart button Click on "REGISTER PAYMENT" button , then "ADD TO CREDIT" button , click on "ADD A LINE" button you can show validation error

Create Sale order record then added sale order lines and "CONFIRM" sale order , Click on "CREATE INVOICE" button , open that record and CONFIRM invoice , Goto "DELIVERY" smart button "VALIDATE" that record and Click on "RETURN" button , open return record and "VALIDATE" that record , Goto Again "INVOICE" smart button Click on "REGISTER PAYMENT" button , then "ADD TO CREDIT" button , open that record "CONFIRM" credit note , again go to back and click on "ADD CREDIT NOTE" you can show validation error