You'll need to select a bank account on the Choose an account field and any other account under the ACCOUNT column. Can you share a screenshot of your current view with the error message?
In the meantime, let's access your account via incognito or private window of your browser. Then, create a bank deposit from here. To do so:
Google Chrome: press Ctrl + Shift + N
Mozilla Firefox and Internet Explorer: press Ctrl + Shift + P