I see this is resolved but just adding a comment in case it helps others.

We use NatWest Bankline and it updates daily. We had a problem initially because NatWest said it couldn't link to Sage but they were wrong and an old post on this forum got it sorted for me.

The only time it stopped working was when the person who originally gave permission left the company and her NatWest access was revoked.  We then went through the same steps as before with the another Bankline user and it's been working since.

Here's the relevant part of the original post:

Go into;
Administration > Manage roles.
Click into the role account operator.
Change the name of the role to Sage.
Then using the drop down menu at the bottom can you change that from Administration to Third Party Provider Consents and click save & go.
Then tick all privileges on this page, including the acknowledgement and press
continue.
Then tick accounts and continue again.
Then confirm.
Then apply this to yourself by going into;
Administration > Manage Users > Click into your user ID> Scroll down to edit roles/smartcards > Tick the role Sage.
Continue and confrim

communityhub.sage.com/.../direct-bank-feeds---natwest-bankline---please-help

I agree this is exactly what needs to be done.

I agree this is exactly what needs to be done.