Production Order Rejected Qty Issue

Hello Experts,

I have Creating One Production Order For Item A - Planned Qty is 10

and Child Item is P and Q and their planned qty is 10 and 10 this child components manage through Backflush ,

When User Creating Report Completion that time by mistake User Enter 10 Completed Qty and 1 Rejected Qty, in

SO How can Reverse that extra 1 qty rejected to return

Dixit Patel