RT-3BAS 1031 ERROR IN GSTR3B

I have faced "Authentication has failed at emas .If error persists quote error number RT-3BAS1031 when you contact customer care for quick resolution" and as you said i have tried to update DSC but got this message "Certificate already registered with another authorized signatory",

Please help me out on solving the problem,

PAN details updated on DCS and GST portal are same.

Even after Updating not Workings

Nice information..thanks

1. Access the https://www.gst.gov.in/ URL. The GST Home page is displayed

2. Login to the GST Portal with the valid credentials.

3. Go to My Profile link.

4.Click the Register/ Update DSC link.

5. The Register Digital Signature Certificate page is displayed. In the PAN of Authorized Signatory drop-down list, select the PAN of the authorized Signatory that you want to update.

6. Click the UPDATE button.

7.Click the CONTINUE button.

8.Select the certificate. Click the Sign button.