Wrong invoice taken in Gstr-3b

Ramit (Accountant) (121 Points)

17 June 2020  
Sale Invoice of Feb 2020 shown in Jan 2020 Gstr-3b by mistake and also one sale invoice of jan 2020 is missed to be taken in jan 2020 gstr 3b. What is the solution for this?
Gstr-3b of feb 2020 has not file yet.