Wrong outward supply added in gstr3b return

Dhirendra Rawat (25 Points)

26 January 2021  
December 2020 gstr3b monthly return m October and November ki outward supply sale and tax liablity dubara se add ho gayi hai.jab ki ye sale October and November ki return m pehle hi show kar di hai .gstr1 bhi file kar di hai.what to do now please suggest.