This idea has been merged into another idea. To comment or vote on this idea, please visit GIN-I-1595 Alert at the time of Generating Sales Order against same Design Number..
As we have discussed regarding the issue of showing double entry alert (of any particular Bar code no) at the time of generating Delivery Challan, same as that we are also requesting you to implement this same alert window at the time of order entry in sales & Distributions.