Hazrat Abu Abdullah Maghribi narrates that on one auspicious night, he was blessed with the vision of the Beloved Prophet (sallallahu alaihe wa sallam) in a dream.
In the dream, Hazrat Abu Abdullah Maghribi stated: “Oh Rasool Allah (sallallahu alaihe wa sallam)! I have a need. Which dua should I recite for my need?” The Beloved Messenger of Allah (sallallahu alaihe wa sallam) replied: “Offer two rakaats of salaat. In each of four sajdahs, recite this dua forty times:
لَّا إِلَهَ إِلَّا أَنتَ سُبْحَانَكَ إِنِّي كُنتُ مِنَ الظَّالِمِينَ