POS - Prevent checkout if the transaction has both Return and Sale

Issue No: AR-9392
Created 11/20/2018 8:01:51 PM
Type Feature
Priority Blocker
Status Closed
Resolution Fixed
Fixed Version 18.3
Description When the user clicks 'Payment' button, validate if the transction has both return and sale.   if it has, show a message saying 'Please separate Return and Sale transactions'.   Then do not allow proceeding.   This will be a temporary bandage until we can get AR-9388 done.