Dynasty Feuds: The death of the powerful Mais ~of the kingdom led to the emergence of weak ones who could not exert control over the kingdom hence trouble broke out leading to leadership tussle and the subsequent collapse of the kingdom.
Incessant Strives and Wars: Attacks from the Jukun and the Tugreg made the situation worse and as such Mai Ahamed was driven into exile.
The Vastness of the kingdom: This also contributed to its fall.