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java.lang.IllegalStateException: attempt to re-open an already-closed object: SQLiteDatabase: /data/data/twik.in/databases/db_order	at android.database.sqlite.SQLiteClosable.acquireReference(SQLiteClosable.java:55)	at android.database.sqlite.SQLiteDatabase.queryWithFactory(SQLiteDatabase.java:1158)	at android.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1034)	at android.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1202)	at twik.in.DBHelper.getAllData(DBHelper.java:123)	at twik.in.ActivityCart.getDataFromDatabase(ActivityCart.java:378)	at twik.in.ActivityCart$getDataTask.doInBackground(ActivityCart.java:350)	at twik.in.ActivityCart$getDataTask.doInBackground(ActivityCart.java:335)	at android.os.AsyncTask$2.call(AsyncTask.java:295)	at java.util.concurrent.FutureTask.run(FutureTask.java:237)