Truelayer, the organisation who provide the open banking for Lloyds Bank, have confirmed that for Lloyds Business accounts, historical transactions cannot be retrieved, only transactions after initial authorisation.
This is due to a restriction imposed by Lloyds Bank on their business accounts and is outside of our control I am afraid.
For any entries you need, you will need to make a manual adjustment. To add a manual entry, please follow this help article:
This should give you enough information to start adding your transactions manually, where necessary.