Literal Translation:
* No debt that hasn't been paid. (This is a direct translation, but it might sound awkward in English)
More Natural Translations:
* All debts are paid.
* There are no outstanding debts.
* Everything is settled.
* No one owes anything.
More Figurative Translations:
* A clean slate.
* A fresh start.
* No loose ends.
The best translation will depend on the specific situation and the message you want to convey.