We have identified an issue when submitting your VAT return through the HMRC gateway. This will only affect users who do online submissions from Sage 200 via the HMRC Gateway.
We have released a hotfix which will correct the issue. Read more
NOTE: This is only valid for Sage 200 Summer/Winter 2017 Enhancements and for Sage 200 Extra Online 2016 Service Pack 3 users.
We recommend that you download and install the hotfix before trying to submit your next online VAT submission.