Why the sync error occurs
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.
How to fix the sync error
Update the sync preferences by updating the Default Bank Account in Bill.com:
- Select Settings
- Select Preferences under Sync
- Select the edit icon
- Select a bank account for the Default Bank Account
- Select Save
- Sync again
