In order to manage your sales well, you have to register your Customers (Debtors) details so that you can be able to issue invoices to them, record their payments and get several reports about their statuses at any given time. All the debtors should be linked to GL accounts where their transactions will be posted.
How to Register Debtors
To register your debtors you go to Accounts->Purchases and Sale->Debtors and a screen like the one below shows up:
Click on the Save button to save debtor's data.
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