java.lang.NullPointerException

Attempt to invoke virtual method 'int android.database.sqlite.SQLiteDatabase.delete(java.lang.String, java.lang.String, java.lang.String[])' on a null object reference Stack trace:

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  • Attempt to invoke virtual method 'int android.database.sqlite.SQLiteDatabase.delete(java.lang.String, java.lang.String, java.lang.String[])' on a null object reference Stack trace:
  • Attempt to invoke virtual method 'int android.database.sqlite.SQLiteDatabase.delete(java.lang.String, java.lang.String, java.lang.String[])' on a null object reference
  • Attempt to invoke virtual method 'int android.database.sqlite.SQLiteDatabase.delete(java.lang.String, java.lang.String, java.lang.String[])' on a null object reference
  • Stack trace

    • java.lang.NullPointerException: Attempt to invoke virtual method 'int android.database.sqlite.SQLiteDatabase.delete(java.lang.String, java.lang.String, java.lang.String[])' on a null object reference Stack trace: at com.example.harser777.rjt_9_28_assignmentsqlite4.mDataBase.DBAdapter.delete(DBAdapter.java:88) at com.example.harser777.rjt_9_28_assignmentsqlite4.mRecycler.RecyclerAdapter.deleteUserCredential(RecyclerAdapter.java:166) at com.example.harser777.rjt_9_28_assignmentsqlite4.mSwiper.SwipeHelper.onSwiped(SwipeHelper.java:34)

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