Android SQLiteDatabase object - multiple cursors used on one instance

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http://stackoverflow.com – I've got some seriuos problem! My application is in Google Play, today I visited developer console @ Google Play and I see two error logs - both them are about same thing. Here is the stacktrace: java.lang.IllegalStateException: attempt to re-open an already-closed object: SQLiteDatabase: /data/data/pl.snowvision/databases/snow_pilot at android.database.sqlite.SQLiteClosable.acquireReference(SQLiteClosable.java:55) at android.database.sqlite.SQLiteDatabase.queryWithFactory(SQLiteDatabase.java:1156) at android.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1032) (HowTos)