Can anyone help? i am trying to re-grant authority to hmrc for mtd after 18 months but keep getting a message - an unexpected error occurred

Thanks for joining us here on the Community, angela59

Please see and follow the steps on our guide here under 'How to re-authorise MTD' to fix the 'client_or_agent_not_authorised' message if you've been submitting your MTD return for the past 18 months. 

If you still see the message after completing this, please get back to us below so we can investigate further. 🧐