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

System.IO.DirectoryNotFoundException: directory 'D:\Dynamicweb\Solutions\AVN-DW10\Files\System\Indexes\Content\Content builder\ContentIndex\_taxonomy' does not exist
   at Lucene.Net.Store.FSDirectory.ListAll(DirectoryInfo dir)
   at Lucene.Net.Index.SegmentInfos.FindSegmentsFile.Run(IndexCommit commit)
   at Lucene.Net.Facet.Taxonomy.Directory.DirectoryTaxonomyReader..ctor(Directory directory)
   at Dynamicweb.Indexing.Lucene.ReaderWrapper.get_TaxonomyReader()
   at Dynamicweb.Indexing.Lucene.Strategies.CollectorStrategy.GetResultInternal()
   at Dynamicweb.Indexing.Lucene.LuceneIndexProvider.SearchInternal(IQuery query, QuerySettings settings)
   at Dynamicweb.Indexing.Querying.QueryService.Query(IQuery query, QuerySettings settings)
   at Dynamicweb.QueryPublisher.Frontend.GetModuleContent()
   at Dynamicweb.Frontend.Content.GetModuleOutput(Paragraph paragraph, PageView pageview)