However, Kitano-tenmangu Shrine at the time was the proprietor of the Koji-za (guild of koji (rice malt) manufacturers), and a dispute regarding exclusive rights of manufacturing koji led to an attack in 1444 by the Muromachi bakufu (Japanese feudal government headed by a shogun) in which the shrine was burned to the ground and temporarily plunged into a period of decline (The Koji Crisis of the Bunan Era).
だが、当時北野天満宮を本所としていた麹座の麹製造の独占権を巡るトラブルから文安元年（1444年）に室町幕府の攻撃を受けて天満宮が焼け落ちてしまい、一時衰退する（文安の麹騒動）。