If there is a place where sin is committed, is remaining silent about it considered covering the fault of a Muslim?

Question:
May Allah reward you, Honorable Shaykh. This questioner asks: If there is a place where sin is committed, is remaining silent about it considered covering the fault of a Muslim?

Answer:
After advising them, if they are hidden and not exposed, then cover their fault, on the condition of advising them to abandon this act, explaining that it is forbidden and not permissible.