[FIX] IDの型を修正しました。

src/main/java/com/example/demo/app/infra/entity/CourseEntity.java

@@ -6,12 +6,11 @@ import jakarta.persistence.Column;
 import jakarta.persistence.Entity;
 import jakarta.persistence.GeneratedValue;
 import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
 import jakarta.persistence.OneToMany;
 import jakarta.persistence.OneToOne;
 import jakarta.persistence.Table;
 
-import org.springframework.data.annotation.Id;
-
 import com.example.demo.app.domain.model.CourseModel;
 
 import lombok.AllArgsConstructor;
@@ -41,7 +40,7 @@ public class CourseEntity {
 	 private List<UserEntity> userEntity;
 	 
 	 @OneToOne(mappedBy = "courseEntity")
-	 private List<AllocationEntity> allocationEntity;
+	 private AllocationEntity allocationEntity;
 	 
 	 
 	 public static List<CourseModel> createCourseModelList(List<CourseEntity> courseEntityList) {

src/main/java/com/example/demo/app/infra/entity/QuestionEntity.java

@@ -24,12 +24,12 @@ public class QuestionEntity {
 	@Id
 	@GeneratedValue(strategy = GenerationType.IDENTITY)
 	@Column(name = "secret_question_id")
-	private Integer secretQuestionId;
+	private Long secretQuestionId;
 
 	@Column(name = "question_text", nullable = false)
 	private String questionText;
 
-	@OneToMany(mappedBy = "QuestionEntity")
+	@OneToMany(mappedBy = "questionEntity")
 	private List<UserEntity> userEntity;
 	
 }