In addition, the negotiation was held in Busan distant from both capitals the Wakan located, and under the circumstances that the person in charge were unable to grasp the whole situation of their own government as well as other side's government, started blaming each other for violation of "September Agreement" mutually, and then, it was broken off in June.
しかも交渉は双方の首都から離れた倭館のある釜山で開かれ、相手側政府の状況は勿論、担当者が自国政府の状況も十分把握できない状況下で交渉が行われたために相互ともに相手側が「九月協定」の合意内容を破ったと非難を始めて、6月には決裂した。