private void syncDataToDB(String courseId,
                              String courseName, String coachName,
                              boolean isPkMode, String redName, String blueName,
                              TrainingCourse.TrainingUser trainingUser) {
        DBCourseData dbCourseData = mDBCourseDataByCIdQuery.setParameter(DBCourseData_.courseId, courseId).findFirst();
        if (dbCourseData == null) {
            dbCourseData = new DBCourseData();
        }
        ...
        mDBCourseDataBox.put(dbCourseData);

        DBUserData dbUserData = mDBUserDataByCIdUIdQuery.setParameter(DBUserData_.courseId, courseId).setParameter(DBUserData_.userId, trainingUser.userId).findFirst();
        if (dbUserData == null) {
            dbUserData = new DBUserData();
        }
        ...
        mDBUserDataBox.put(dbUserData); //  =====> Line: 1170
    }

@Entity
public class DBUserData {
    @Id
    public long id;

    public String courseId;
    public String userId;

    public boolean newUserDialogShown;
    public boolean oldUserDialogShown;
    public boolean birthDayDialogShown;
    public boolean newRecordDialogShown;
    public int score; 
    public float cal;
    public float ck;
    public int highestHR; 

    public String userIcon;
    public String username;
    public int sex;

    // pk mode
    public boolean isRed;
    public int trainingNum;
    public int victoryNum;
    public int defeatNum;
    public int drawNum;

}