English:If you can't customize the lockscreen from the theme, try entering this into the lock screen and then re-applying it. It seems I modified it wrong.

Indonesia: Jika Anda tidak dapat menyesuaikan layar kunci dari tema, coba masukkan ini ke layar kunci lalu terapkan kembali. Sepertinya saya salah memodifikasinya.

Thanks For those who notified or who have edited: @Risfandika

This video is a tutorial, once finished, apply it again immediately.