Error en p�gina

This is the rescue page and it is supposed to show you a nice message. View the source for more details on the exception, though. Error: System.NullReferenceException: Object reference not set to an instance of an object. at MotoMundi.Common.Utils.SearcherEngine.SearchProductsRqDto.SelectedFilters() at MotoMundi.Web.Controllers.ProductController.ListProducts(Int32[] tagsIds, Int32[] colorsIds, Int32[] categoryId, Int32[] brandId, Int32 color, Decimal from, Decimal to, Int32 page, String orderBy, Boolean showOnlyDiscounts, Int32 pageSize, Boolean showLatest, String sword, Int32[] bikeBrandId, Int32[] bikeModelId, Int32[] bikeYear, String[] facets, String[] brand, Int32 minDiscount, String q, String collection) at MotoMundi.Web.Controllers.ProductController.ListByCategory(Int32[] tagsIds, Int32[] colorsIds, Int32[] categoryId, Int32 brandId, Int32 color, Decimal from, Decimal to, Int32 page, String orderBy, Boolean showOnlyDiscounts, Int32 pageSize, Boolean showLatest, String sword, String[] facets, String[] brand, Int32 minDiscount, String q) Object reference not set to an instance of an object. at MotoMundi.Common.Utils.SearcherEngine.SearchProductsRqDto.SelectedFilters() at MotoMundi.Web.Controllers.ProductController.ListProducts(Int32[] tagsIds, Int32[] colorsIds, Int32[] categoryId, Int32[] brandId, Int32 color, Decimal from, Decimal to, Int32 page, String orderBy, Boolean showOnlyDiscounts, Int32 pageSize, Boolean showLatest, String sword, Int32[] bikeBrandId, Int32[] bikeModelId, Int32[] bikeYear, String[] facets, String[] brand, Int32 minDiscount, String q, String collection) at MotoMundi.Web.Controllers.ProductController.ListByCategory(Int32[] tagsIds, Int32[] colorsIds, Int32[] categoryId, Int32 brandId, Int32 color, Decimal from, Decimal to, Int32 page, String orderBy, Boolean showOnlyDiscounts, Int32 pageSize, Boolean showLatest, String sword, String[] facets, String[] brand, Int32 minDiscount, String q)