添加外键失败，缺少列

Question

CREATE TABLE Student_Details (StudentNo INTEGER Auto_Increment Primary Key, 姓 VARCHAR (50), 名字 VARCHAR (50), IDNO 整数 (80), StudentDisability ENUM('yes','no'), 资格 ID 整数 , CONSTRAINT FK_Student_Details FOREIGN KEY (QualificationID) 参考资格(QualificationID));