Hawzah News Agency – Imam Sadiq peace be upon him says:

أيُّما مسلِمٍ أقالَ مسلِماً بَيعَ نَدامَةٍ أقالَهُ اللَّهُ‏ عزّ وجلّ عَثْرتَهُ يَومَ القيامةِ.

'Any Muslim who excuses another Muslim for a regrettable deal, Allah, the Exalted, will forgive his lapse on the Day of Judgment.'

Source: Wasa'il al-Shia, v. 12, p. 287, no. 4