Yup ...... problem caused by HMRC's being down/faulty. Everything OK when submitted on Monday.Any other organisation having this amount of downtime would be out...
Got the problem again today.This is the first time I've tried to submit VAT using MTD on the new computer. Transferred all the files and license for QB from my ...
Would have been nice if HMRC had put such info on their website , or even better when I contacted their helpdesk for them to tell me.Wasted hours on this now