Wrongly invoice no printed on my invoices

nisha paliwal (udaipur) (58 Points)

23 April 2020  
sir/madam
eg..I field return gstr 1 with last invoice no that is 50. for Oct to Dec 2019..

for Jan 20 invoice no started from 51 by by mistake for Jan month invoice started from 62 and for Feb 20 started from 51 to 61
what should I do for gstr 1 for Jan to March