System.ArgumentException: The given field name does not exist in the given index schema. Field: 'FirstwebProductCustomer', Index: 'Products.index'. at Dynamicweb.Indexing.Lucene.Helpers.ParseQueryExpressionInternal(IIndex index, Expression expression, Analyzer analyzer, QuerySettings settings) at Dynamicweb.Indexing.Lucene.Helpers.ParseQueryExpressionInternal(IIndex index, Expression expression, Analyzer analyzer, QuerySettings settings) at Dynamicweb.Indexing.Lucene.Helpers.ParseQueryExpression(IIndex index, Expression expression, QuerySettings settings) at Dynamicweb.Indexing.Lucene.LuceneIndexProvider.SearchInternal(IQuery query, QuerySettings settings) at Dynamicweb.Indexing.Querying.QueryService.Query(IQuery query, QuerySettings settings) at Dynamicweb.Ecommerce.Frontend.Frontend.GetProductsFromIndexQuery(ProductCatalogShowType settingsType) at Dynamicweb.Ecommerce.Frontend.Frontend.EcomRender() at Dynamicweb.Ecommerce.Frontend.Frontend.GetContent() at Dynamicweb.Frontend.Content.GetModuleOutput(Paragraph paragraph, PageView pageview)