After Confirming a Sales Order, i try to create an invoice and odoo give me this error:

Configuration error!

Could not find any account to create the invoice, are you sure you have a chart of account installed?

The steps that i follow were the following:

1. Install Sales

2. Install Accounting

3. Configuring Chart of accounts accoring to Generic Template

4. Create, and confirm a Sales ORder

5. Try to create an invoice from the Sales Order

Any one can help with this?