Is it true that the reapperance of Imam al-Mahdi (as) is delayed when a Muslim commits a sin?

SinImam al-MahdiRe-Appearance (Zuhur)
Is it true that the reapperance of Imam al-Mahdi (as) is delayed when a Muslim commits a sin?
Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 2 years ago

The time of the reappearance of Imam Al-Mahdi [AS]is known to Al;ah. When he will reappear he will remove away all the injustice and the wrong and will establish justice all over the world. No doubt that the sinful acts of the believers can delay the reappearance,because they are supposed to be his followers and supporters and servants, and the reappearance need’s enough pious and obedient followers.

wasalam.