An error occurred while attaching module (Dynamicweb.Frontend.Content)

System.ObjectDisposedException: Already disposed: MMapIndexInput(path="D:\dynamicweb.net\Solutions\Scanvaegt\scanvaegt.dw10.dynamicweb-cms.com\wwwroot\Files\System\Indexes\SwiftProducts\Products\Products secondary\_a0i_Lucene45_0.dvd")
Object name: 'Lucene.Net.Store.MMapDirectory+MMapIndexInput'.
   at Lucene.Net.Store.ByteBufferIndexInput.ReadByte()
   at Lucene.Net.Store.DataInput.ReadVInt32()
   at Lucene.Net.Codecs.Lucene45.Lucene45DocValuesProducer.CompressedBinaryDocValues.TermsEnumAnonymousClass.MoveNext()
   at Lucene.Net.Index.MultiDocValues.OrdinalMap..ctor(Object owner, TermsEnum[] subs)
   at Lucene.Net.Index.MultiDocValues.GetSortedSetValues(IndexReader r, String field)
   at Lucene.Net.Index.SlowCompositeReaderWrapper.GetSortedSetDocValues(String field)
   at Lucene.Net.Facet.SortedSet.DefaultSortedSetDocValuesReaderState..ctor(IndexReader reader, String field)
   at Dynamicweb.Indexing.Lucene.LuceneIndexProvider.b__14_0(String path)
   at Dynamicweb.Indexing.Lucene.LuceneIndexProvider.SearchInternal(IQuery query, QuerySettings settings)
   at Dynamicweb.Indexing.Queries.IndexQueryProvider.Query(IQuery query, QuerySettings settings)
   at Dynamicweb.Ecommerce.Indexing.ProductQueryHelper.GetProductsAutoIdsFromIndexQuery(IQuery query, ProductCatalogSettings settings, QuerySettings querySettings, IEnumerable`1& facetViewModel, IEnumerable`1& spellCheckerResult)
   at Dynamicweb.Ecommerce.ProductCatalog.ProductCatalogFrontend.RenderProductList(ProductCatalogSettings settings, QuerySettings querySettings, IQuery query, String groupId, Boolean feed, Boolean compare)
   at Dynamicweb.Ecommerce.ProductCatalog.ProductCatalogFrontend.GetModuleContent()
   at Dynamicweb.Frontend.Content.GetModuleOutput(Paragraph paragraph, PageView pageview)