فَٱخۡتَلَفَ ٱلۡأَحۡزَابُ مِنۢ بَيۡنِهِمۡۖ فَوَيۡلٞ لِّلَّذِينَ كَفَرُواْ مِن مَّشۡهَدِ يَوۡمٍ عَظِيمٍ
So the groups/parties differed/disagreed/disputed from between them, so grief/distress to those who disbelieved from an assembly of a great day
Author: Literal