once
رَبِّ إِنِّي ظَلَمْتُ نَفْسِي فَاغْفِرْ لِي
Meaning
«My Lord, indeed I have wronged myself, so forgive me, and He forgave him. Indeed, He is the Forgiving, the Merciful»
Source and references
28:16The reference is copied from the edition; separate editorial verification is not complete yet.
Source edition: Supplications from the Quran. Open source ↗