(14) cannot open file at line 30192 of [00bb9c9ce4]

Eror Run aplication please help test error in android4.4 and 5.1

logcat:

03-20 18:57:37.539: E/SQLiteLog(11840): (14) cannot open file at line 30192 of [00bb9c9ce4] 03-20 18:57:37.539: E/SQLiteLog(11840): (14) os_unix.c:30192: (2) open(//data//data//com.parandsoft.nitrospeed//databases//mem_boost.db) - 03-20 18:57:37.559: E/SQLiteDatabase(11840): Failed to open database '//data//data//com.parandsoft.nitrospeed//databases//mem_boost.db'. 03-20 18:57:37.559: E/SQLiteDatabase(11840): android.database.sqlite.SQLiteCantOpenDatabaseException: unknown error (code 14): Could not open database 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteConnection.nativeOpen(Native Method) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:209) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteConnection.open(SQLiteConnection.java:193) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteConnectionPool.openConnectionLocked(SQLiteConnectionPool.java:463) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:185) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteConnectionPool.open(SQLiteConnectionPool.java:177) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteDatabase.openInner(SQLiteDatabase.java:804) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteDatabase.open(SQLiteDatabase.java:789) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:694) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:669) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at com.parandsoft.nitrospeed.db.ExternalDbOpenHelper.checkDataBase(ExternalDbOpenHelper.java:67) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at com.parandsoft.nitrospeed.db.ExternalDbOpenHelper.createDataBase(ExternalDbOpenHelper.java:49) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at com.parandsoft.nitrospeed.db.ExternalDbOpenHelper.openDataBase(ExternalDbOpenHelper.java:106) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at com.parandsoft.nitrospeed.db.ExternalDbOpenHelper.(ExternalDbOpenHelper.java:44) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at com.parandsoft.nitrospeed.ActionBarBaseActivity.onCreate(ActionBarBaseActivity.java:60) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at com.parandsoft.nitrospeed.MainActivity.onCreate(MainActivity.java:59) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.app.Activity.performCreate(Activity.java:5231) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2169) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2271) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.app.ActivityThread.access$800(ActivityThread.java:144) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1205) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.os.Handler.dispatchMessage(Handler.java:102) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.os.Looper.loop(Looper.java:136) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at android.app.ActivityThread.main(ActivityThread.java:5179) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at java.lang.reflect.Method.invokeNative(Native Method) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at java.lang.reflect.Method.invoke(Method.java:515) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:732) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:566) 03-20 18:57:37.559: E/SQLiteDatabase(11840): at dalvik.system.NativeStart.main(Native Method) 03-20 18:58:07.099: E/audio_a2dp_hw(431): adev_set_parameters: ERROR: set param called even when stream out is null

 Here is my code:
     public class ExternalDbOpenHelper extends SQLiteOpenHelper {

// Path to the device folder with databases
public static String DB_PATH;

// Database file name
public static String DB_NAME;
public SQLiteDatabase database;
public final Context context;

public SQLiteDatabase getDb() {
    return database;
}

public ExternalDbOpenHelper(Context context, String databaseName,
        int databaseVersion) {
    super(context, databaseName, null, databaseVersion);
    this.context = context;
    // Write a full path to the databases of your application
    String packageName = context.getPackageName();
    DB_PATH = String.format("//data//data//%s//databases//", packageName);
    DB_NAME = databaseName;
    openDataBase();
}

// This piece of code will create a database if it's not yet created
public void createDataBase() {
    boolean dbExist = checkDataBase();
    if (!dbExist) {

        this.getReadableDatabase();
        try {
            copyDataBase();
        } catch (IOException e) {
            //Log.e(this.getClass().toString(), "Copying error");
            throw new Error("Error copying database!");
        }
    }
}

// Performing a database existence check
private boolean checkDataBase() {
    SQLiteDatabase checkDb = null;
    try {
        String path = DB_PATH + DB_NAME;
        checkDb = SQLiteDatabase.openDatabase(path, null,
                SQLiteDatabase.OPEN_READONLY);
    } catch (SQLException e) {
        //Log.e(this.getClass().toString(), "Error while checking db");
    }
    // Android doesn?t like resource leaks, everything should
    // be closed
    if (checkDb != null) {
        checkDb.close();
    }
    return checkDb != null;
}

// Method for copying the database
private void copyDataBase() throws IOException {
    // Open a stream for reading from our ready-made database
    // The stream source is located in the assets
    InputStream externalDbStream = context.getAssets().open(DB_NAME);

    // Path to the created empty database on your Android device
    String outFileName = DB_PATH + DB_NAME;

    // Now create a stream for writing the database byte by byte
    OutputStream localDbStream = new FileOutputStream(outFileName);

    // Copying the database
    byte[] buffer = new byte[1024];
    int bytesRead;
    while ((bytesRead = externalDbStream.read(buffer)) > 0) {
        localDbStream.write(buffer, 0, bytesRead);
    }
    // Don?t forget to close the streams
    localDbStream.close();
    externalDbStream.close();
}

public SQLiteDatabase openDataBase() throws SQLException {
    String path = DB_PATH + DB_NAME;
    if (database == null) {
        createDataBase();
    }
    database = SQLiteDatabase.openDatabase(path, null,
            SQLiteDatabase.OPEN_READWRITE);
    return database;
}

@Override
public synchronized void close() {
    if (database != null) {
        database.close();
    }
    super.close();
}

@Override
public void onCreate(SQLiteDatabase db) {
}

@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
}

public void insertAutoKillApps(final ArrayList<AppInfo> listAutoKillApps) {
    for (int i = 0; i < listAutoKillApps.size(); i++) {
        if (listAutoKillApps.get(i).isChecked()) {
            AppInfo info = listAutoKillApps.get(i);
            ContentValues values = new ContentValues();
            values.put(Const.TblAutoKillColumn.APP_NAME, info.getAppName());
            values.put(Const.TblAutoKillColumn.PACKAGE_NAME,
                    info.getPkgName());
            values.put(Const.TblAutoKillColumn.PROCESS_ID,
                    info.getProcessId());
            int id = (int) database.insert(Const.TABLE_AUTO_KILL, null,
                    values);

        }
    }
}

public int insertAutoKillApp(AppInfo info) {

    ContentValues values = new ContentValues();
    values.put(Const.TblAutoKillColumn.APP_NAME, info.getAppName());
    values.put(Const.TblAutoKillColumn.PACKAGE_NAME, info.getPkgName());
    int id = (int) database.insert(Const.TABLE_AUTO_KILL, null, values);
    return id;

}

public int insertAllAutoKillApp(ArrayList<AppInfo> list) {
    int count = 0;
    for (int i = 0; i < list.size(); i++) {
        AppInfo info = list.get(i);
        ContentValues values = new ContentValues();
        values.put(Const.TblAutoKillColumn.APP_NAME, info.getAppName());
        values.put(Const.TblAutoKillColumn.PACKAGE_NAME, info.getPkgName());
        int id = (int) database.insert(Const.TABLE_AUTO_KILL, null, values);
        if (id != -1) {
            count += 1;
        }
    }
    System.out.println("Total app kill inserted " + count);
    return count;

}

public boolean deleteAutoKillApp(AppInfo info) {

    int row = database.delete(Const.TABLE_AUTO_KILL,
            Const.TblAutoKillColumn.PACKAGE_NAME + " = ?",
            new String[] { info.getPkgName() });

    if (row != 0) {
        return true;
    }

    return false;

}

public int deleteAllAutoKillApp(ArrayList<AppInfo> list) {

    int count = 0;
    for (int i = 0; i < list.size(); i++) {
        AppInfo info = list.get(i);
        int row = database.delete(Const.TABLE_AUTO_KILL,
                Const.TblAutoKillColumn.PACKAGE_NAME + " = ?",
                new String[] { info.getPkgName() });
        if (row != 0) {
            count += 1;
        }
    }
    System.out.println("Total app kill deleted " + count);
    return count;
}

public ArrayList<AppInfo> getAutoKillApps() {
    ArrayList<AppInfo> appList = new ArrayList<AppInfo>();
    String selectQuery = "SELECT  * FROM " + Const.TABLE_AUTO_KILL;
    try {

        Cursor cursor = database.rawQuery(selectQuery, null);
        if (cursor != null && cursor.getCount() > 0) {
            if (cursor.moveToFirst()) {
                do {

                    AppInfo info = new AppInfo();
                    info.setAppName(cursor.getString(0));
                    info.setPkgName(cursor.getString(1));
                    appList.add(info);
                } while (cursor.moveToNext());
            }
            cursor.close();
        }

        return appList;
    } catch (Exception e) {
        return appList;
    }
}

public int insertUsedAppInfo(UsedAppInfo uAppInfo, boolean isUpdate) {
    int id = 0;
    if (isUpdate) {
        ContentValues values = new ContentValues();
        values.put(Const.TblAppUsedColumn.OPEN_COUNTER,
                uAppInfo.getCounter());
        values.put(Const.TblAppUsedColumn.OPEN_TIME, uAppInfo.getTime());
        String[] args = new String[] { uAppInfo.getPackage_name() };
        id = (int) database.update(Const.TABLE_APP_USED_DETAIL, values,
                Const.TblAppUsedColumn.PACKAGE_NAME + "=?", args);
    } else {
        ContentValues values = new ContentValues();
        values.put(Const.TblAppUsedColumn.PACKAGE_NAME,
                uAppInfo.getPackage_name());
        values.put(Const.TblAppUsedColumn.OPEN_COUNTER,
                uAppInfo.getCounter());
        values.put(Const.TblAppUsedColumn.OPEN_TIME, uAppInfo.getTime());
        id = (int) database.insert(Const.TABLE_APP_USED_DETAIL, null,
                values);
    }
    return id;
}

public UsedAppInfo gettUsedAppInfo(String packageName) {
    UsedAppInfo uAppInfo = null;
    String selectQuery = "SELECT  * FROM " + Const.TABLE_APP_USED_DETAIL
            + " WHERE " + Const.TblAppUsedColumn.PACKAGE_NAME + " = "
            + "\"" + packageName + "\"";

    try {

        Cursor cursor = database.rawQuery(selectQuery, null);
        if (cursor != null && cursor.getCount() > 0) {
            if (cursor.moveToFirst()) {
                uAppInfo = new UsedAppInfo();
                uAppInfo.setPackage_name(cursor.getString(0));
                uAppInfo.setCounter(cursor.getInt(1));
                uAppInfo.setTime(cursor.getString(2));
            }
            cursor.close();
        }

        return uAppInfo;
    } catch (Exception e) {
        //Log.d("Error in getting app info from db", e.getMessage());
        return null;
    }

}
}