FILED GSTR3B WITH WRONG TAXABLE VALUE,BUT WITH CORRECT TAX PAID.

caclub member (accountant) (45 Points)

29 November 2019  
gstr 3b filed with wrong taxable value,but with correct tax figure for last month current period .for e.g instead of 100 i have mentioned 80 in only taxable value,but the tax shown and paid on 100.what should i do,and what is the impact of this mistake?