Getting error with billable expense, An account you chose for a billable expense doesn't have an income account associated with it.

The error that you're getting would show up when QuickBooks detects that the expense account you've selected isn't associated with a corresponding income account, Mukul. I'll help you resolve it quickly and efficiently.

Specifically, we'll edit the expense account to associate an income account. Here's how:

1. Open your chart of accounts.
2. Look for the expense account that you're using when creating an expense transaction.
3. Click the drop-down list beside Run report, then click Edit.
4. Look for Enter income account, then click the drop-down list beside it and assign an income account.
5. Click Save.

Here's an article that talks about using the Billable Expense feature: Enter billable expenses in QuickBooks Online.

Let me also share these articles for additional resources when using it:

• Remove a billable expense charge in QuickBooks Online
• Delete customer with unbilled charges in QuickBooks Online

You can always reach out to us if you have more questions when invoicing your clients in QBO. We're available around the clock to assist you, ensuring you can manage your financial and small business processes with confidence and ease.