Learn what to do if you see error 323 in QuickBooks Online.
If you see banking error 323 in QuickBooks Online, don't worry. It means you connected two accounts with similar names or account numbers, or added the same account twice.
Fix banking error 323
Rename similar accounts
If you have two accounts with the same name, or the last 4 digits of the account numbers are the same, you may get an error.
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.