Ulugh Beg was now facing troubles in his army and at home by the actions of his son Abdal-Aziz Mirza in Samarkand who was oppressing the families of Ulugh Beg's generals. The generals were angry and there was a mutiny on his hands when he wrote a strong worded letter to his son Abdal-Aziz Mirza to cease and desist or face dire consequences of his actions.