Abu Musa reported the Prophet as saying, “The greatest sin in God's sight, after the serious sins which God has prohibited, which a man can bring into His presence is that he should die in debt without leaving enough to discharge it.” Ahmad and Abu Dawud transmitted it.
Hadith Referenceمشكوة المصابيح / كتاب البيوع / 2922
Hadith Gradingالألبانی:لم تتمّ دراسته | زبیر علی زئی:إسناده صحيح
Hadith Takhrij´تحقيق و تخريج: محدث العصر حافظ زبير على زئي رحمه الله` «إسناده صحيح، رواه أحمد (392/4 ح 19724) و أبو داود (2342)»