Learn what to do if you see error 323 in QuickBooks Online and QuickBooks Self-Employed.
You may get bank error 323 if you have two accounts with the same name, or if the last 4 digits of the account numbers are the same.
Fix banking error 323
Rename similar accounts
To fix this, sign in to your bank or credit card's website. Rename one of the accounts so each one has a unique name. Then sign back into QuickBooks and connect the accounts again.
Disconnect duplicate accounts
If you added the same account twice, disconnect one of them. This should fix the issue.