<Account Number> is not a valid payment account code.
Please make sure you have set the account number on the account.
Applies to: ConnectWise, QuickBooks Online
How can this happen?
The Payment Account used in Expense Connect is either no Account Number or a Sub-Account.
In your Wise-Sync Company Settings, select a Payment Account (Bank or Credit Card) from QBO that has an account number and that is not a Sub-Account