Error! You are not authorized to access GSTR1 for this return period

At the time of filing GSTR-1, many taxpayers are facing this error which says “Error! You are not authorized to access GSTR1 for this return period”. While it says it is an error, essentially this is a technical bug in GST portal. The solution to this error is to wait for 3-5 minutes and click on the submit button again, the system will accept the return and the taxpayer can file it eventually.