[Machine] That Allah will not forgive so-and-so, then Allah revealed to His Prophet or to a Prophet that it (the sin) is as sinful as a major sin, so let him face the consequences of his actions.
أَنْ لَا يَغْفِرَ اللهُ لِفُلَانٍ فَأَوْحَى الله ﷻ إِلَى نَبِيِّهِ ﷺ أَوْ إِلَى نَبِيٍّ أَنَّهَا بِمَنْزِلَةِ الْخَطِيئَةِ فَلْيَسْتَقْبِلِ الْعَمَلَ