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SQLite Insert method doesn't work in my app

I use SQLiteOpenHelper in my project and when I use add_leader method everything works, but when I use add_Person method it returns false. This is second instance of sqlite.

I use manjaro 18 linux

Any help please?

public class SqliteHelper extends SQLiteOpenHelper { 


@Override
public void onCreate(SQLiteDatabase sqLiteDatabase) {
    sqLiteDatabase.execSQL("CREATE TABLE " + START+ "("+KIND+" text) ");
    sqLiteDatabase.execSQL("CREATE TABLE " + PERRSON + "("+ID_PER+" INTEGER PRIMARY KEY AUTOINCREMENT ,"
            +FULLNAME_PER+" text,"+BIRTH_DAY_PER+"text," +BIRTH_MONTH_PER+" text,"+BIRTH_YEAR_PER+" text,"
            +LEVEL_EDUCATION+" text,"+MOY_ONE+" text,"+MOY_TWO+" text,"+MOY_THREE+"text) ");
    sqLiteDatabase.execSQL("CREATE TABLE " + LEADER + "("+ID_LEADER+" INTEGER PRIMARY KEY AUTOINCREMENT ,"+FULLNAME_LDR+" text,"+
            BIRTH_DAY_LDR+" text,"+BIRTH_MONTH_LDR+" text,"+BIRTH_YEAR_LDR+" text) ");

}

@Override
public void onUpgrade(SQLiteDatabase sqLiteDatabase, int i, int i1) {
    sqLiteDatabase.execSQL(" DROP TABLE IF EXISTS " + START);
    sqLiteDatabase.execSQL(" DROP TABLE IF EXISTS " + PERRSON);
    sqLiteDatabase.execSQL(" DROP TABLE IF EXISTS " + LEADER);

    onCreate(sqLiteDatabase);
}




public boolean add_Person(String name, String date_day, String date_month, String date_year,
                          String level,String moy1,String moy2,String moy3) {
    SQLiteDatabase db = this.getWritableDatabase();
    ContentValues cv = new ContentValues();
    cv.put(FULLNAME_PER, name);
    cv.put(BIRTH_DAY_PER, date_day);
    cv.put(BIRTH_MONTH_PER, date_month);
    cv.put(BIRTH_YEAR_PER, date_year);
    cv.put(LEVEL_EDUCATION, level);
    cv.put(MOY_ONE, moy1);
    cv.put(MOY_TWO, moy2);
    cv.put(MOY_THREE, moy3);
    long results = db.insert(PERRSON, null, cv);
    db.close();
    if (results == -1) return false;
    else return true;
}


public boolean add_leader(String fullname, String date_day, String date_month, String date_year) {
    SQLiteDatabase db = this.getWritableDatabase();
    ContentValues cv = new ContentValues();
    cv.put(FULLNAME_LDR, fullname);
    cv.put(BIRTH_DAY_LDR, date_day);
    cv.put(BIRTH_MONTH_LDR, date_month);
    cv.put(BIRTH_YEAR_LDR, date_year);
    long results = db.insert(LEADER, null, cv);
    db.close();
    if (results == -1) return false;
    else return true;

}

Your PERRSON table is not created because there are spacing issues in create table query. found spacing issue in these column BIRTH_DAY_PER,MOY_THREE.

replace this section of code

 sqLiteDatabase.execSQL("CREATE TABLE " + PERRSON + "("+ID_PER+" INTEGER PRIMARY KEY AUTOINCREMENT ,"
            +FULLNAME_PER+" text,"+BIRTH_DAY_PER+"text," +BIRTH_MONTH_PER+" text,"+BIRTH_YEAR_PER+" text,"
            +LEVEL_EDUCATION+" text,"+MOY_ONE+" text,"+MOY_TWO+" text,"+MOY_THREE+"text) ");

with this

 sqLiteDatabase.execSQL("CREATE TABLE " + PERRSON + "("+ID_PER+" INTEGER PRIMARY KEY AUTOINCREMENT ,"
            +FULLNAME_PER+" text,"+BIRTH_DAY_PER+" text," +BIRTH_MONTH_PER+" text,"+BIRTH_YEAR_PER+" text,"
            +LEVEL_EDUCATION+" text,"+MOY_ONE+" text,"+MOY_TWO+" text,"+MOY_THREE+" text)");
   sqLiteDatabase.execSQL("CREATE TABLE " + PERRSON + "(" + ID_PER + " INTEGER PRIMARY KEY AUTOINCREMENT ,"
            + FULLNAME_PER + " text," + BIRTH_DAY_PER + " text," + BIRTH_MONTH_PER + " text," + BIRTH_YEAR_PER + " text,"
            + LEVEL_EDUCATION + " text," + MOY_ONE + " text," + MOY_TWO + " text," + MOY_THREE + " text" + ")");

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