Go back to the GSTR-3B dashboard and click the "Save GSTR3B" button.

Once saved, click on "Proceed to Payment" .

If the error persists, log out of the GST Portal, clear your browser cache, and log back in to repeat the saving and payment process. Troubleshooting the "Repack" Context

The error number is a technical code specifically associated with the GST (Goods and Services Tax) portal in India. It typically appears when a taxpayer is filing Form GSTR-3B .

This error is most commonly triggered when a user attempts to or submit the GSTR-3B return without having recently saved the form. It essentially means the portal's background data doesn't match the action you are trying to perform because the latest inputs haven't been committed to the server. How to Fix Error RT3BAS1059