Screenshot of duplicate transactions shown from the reconciliation screen.  Several examples are circled in red.  There are more.  These examples in particular were automatically downloaded.

I edit the transaction from the reconciliation screen.  When I try to zero the dollar amount and save it, I get the error message. 

Chart of accounts looks like this - there is no matching account for the one that shows as (deleted) on the reconcile page.  Note this is just a few, but shows all of the "Bank" accounts - note that there is not one matching the first screenshot.