The real cause was the growing boldness of the caliph al - Amir Bi-Ahkamillah and his resentment of al - Afdal 's control .
The caliph al - Amir Bi-Ahkamillah had succeeded al - Musta'li in 1101 .
The real cause was the growing boldness of the caliph al - Amir Bi-Ahkamillah , who had succeeded al - Musta'li in 1101 , and his resentment of al - Afdal 's control .