Why did Akbar kill Birbal?

Why did Akbar kill Birbal? Birbal died because of Akbar. The Yusufzai tribes of Afghanistan began a rebellion against Mughal rule on the eastern bank of the Indus River. The soldiers sent by Akbar to crush the rebellion had been killed. Akbar sent the wise Birbal with his new army reinforcements to Attock in 1586 to help commander Jain Khan. Birbal and the army moved into a narrow pass in Swat Valley (present day Pakistan), Afghan soldiers lay in ambush in the hills were there, and they started firing shells from above. After this, in the major defeat of Akbar, Birbal and more than 8000 soldiers were killed. The saddest thing was that his body was never found. This was the biggest military loss for Akbar. It is said that he did not eat or drink anything until he was saddened by the loss of his favorite royal prince Birbal. He was very sad because due to the body of Birbal not being found, his last rites could not be performed. Akbar the Great had declared that this was his biggest tragedy since he assumed the throne.