User is trying to pay a vendor bill, but cannot find any account in the drop-down on the Create Bill Payments screen.
The Account drop-down displays a list of accounts that match the Method you have selected. For example, you can use the pay methods Check or EFT with accounts of type Bank and the method Credit Card with accounts of type Credit Card. To be able to select an account for the bill payment, you must make sure you have created a bank or credit card account in the Chart of Accounts screen to use here. Check the Core Help for details.