Lucene.Net.Store.AlreadyClosedException: this IndexReader is closed at Lucene.Net.Index.IndexReader.EnsureOpen() at Lucene.Net.Index.IndexReader.Document(Int32 n) at Dynamicweb.Indexing.Lucene.LuceneIndexProvider.DoSearch(Int32 skip, ScoreDoc[] docs, IndexSearcher searcher, FieldDefinitionBase[] fields) at Dynamicweb.Indexing.Lucene.LuceneIndexProvider.SearchInternal(IQuery query, QuerySettings settings) at Dynamicweb.Ecommerce.Frontend.Frontend.GetProductsFromIndexQuery()