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

System.Data.SqlClient.SqlException: Transaction (Process ID 61) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
   at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection)
   at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj)
   at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj)
   at System.Data.SqlClient.SqlDataReader.HasMoreRows()
   at System.Data.SqlClient.SqlDataReader.ReadInternal(Boolean setTimeout)
   at System.Data.SqlClient.SqlDataReader.Read()
   at Dynamicweb.eCommerce.Products.Group.HasProducts(Group group)
   at Dynamicweb.eCommerce.Products.Group.HasProducts()
   at NORRIQ.eNemoProducenter.Content.renderCategory(String manufactorID)
   at NORRIQ.eNemoProducenter.ProductList.refreshsession(Boolean redirect)
   at NORRIQ.eNemoProducenter.ProductList.FetchCollection(Renderer renderer, String groups)
   at Dynamicweb.Extensibility.Provider.ProductListCollectionManager.FetchCollection(Renderer renderer, String groups)
   at Dynamicweb.eCommerce.Frontend.Frontend.List(String groups)
   at Dynamicweb.eCommerce.Frontend.Frontend.EcomRender()
   at Dynamicweb.eCommerce.Frontend.Frontend.GetContent()
   at Dynamicweb.Frontend.Content.getModule(DataRow& ParagraphRow)