Gstr-9 filing issues

Hi,

I am unable to file Gstr-9 for the financial year 2017-18 due to an error which states that file your pending gstr-3b and gstr-1. But I have filed all my returns and there are no pending returns.

Note - I have not filed Gstr-1 for the month of Feb 2018 as I switched to quarterly return filing and filed gstr-1 in the month of March 2018 for the quarter of Jan to Mar 2018.

Please help me out to resolve this issue.

Regards, Vaibhav Grover