Sunan Ibn Majah
2419
Sahih+2

It was narrated from Abu Yasar, the Companion of the Prophet (ﷺ) that :the Messenger of Allah (ﷺ) said: “Whoever would like Allah to shade him with His shade, let him give respite to one in difficulty, or waive repayment of the loan.”

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi