java.lang.NullPointerException: Attempt to invoke interface method 'void android.database.Cursor.close()' on a null object reference

Question

https://github.com/kamaleshdas1997/MyPets

LOGCAT:-

2020-12-13 09:54:55.747 21583-21583/com.example.mypets E/AndroidRuntime: FATAL EXCEPTION: main Process: com.