Error

Explanation

This error occurs when a payment is trying to sync to QuickBooks Online from Bill.com, but the Default Bank Account setting in Bill.com sync preferences is blank or set to an inactive account.

Solution

Update the sync preferences in Bill.com:

1. Hover over Gear Icon  and click Settings
2. Click Preferences under the Sync section
3. Click the Edit Icon 
4. Select a bank account for the Default Bank Account
5. Click Save
6. Sync again