:salam2: I want to know if a person made Nader with Allah Azawajal and forgot what it was. What should a person do when one forgets sincerely what it was! Jazakallah!
The Prophet, peace be upon him, said, "Lifted from my Umma (i.e., not accounted) are mistakes, forgetfullness and what they have been forced to do." Narrated by Abu-Zharr and Ibn Abbaas and rated authentic by Al-Albaani.