13ذٰلِكَ بِأَنَّهُم شاقُّوا اللَّهَ وَرَسولَهُ ۚ وَمَن يُشاقِقِ اللَّهَ وَرَسولَهُ فَإِنَّ اللَّهَ شَديدُ العِقابِWahiduddin KhanThat was because they defied God and His Messenger. He who defies God and His Messenger shall be severely punished by God.