If open banking has not imported your most recent transactions as expected, and you've tried refreshing the transactions but receive an error, please try the following.
First unlink the whole open banking connection.
Go to Accounts > Bank Accounts > actions against the bank account > Unlink open banking
You can then reconnect the open banking link from fresh. To do so please see the following guide:
If you have any further trouble with this please contact: email@example.com