Invalid URI: The format of the URI could not be determined.

at System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind) at WebSpinach13.Core.Utils.HelperUrl.GetLastUrlSegment(String url) at Nice.SharePoint.WebParts.SingleAssetDisplay.GetModel() at WebSpinach13.Core.WebParts.BaseTemplateWebPart`1.getParsedRazorWithData() at WebSpinach13.Core.WebParts.BaseTemplateWebPart`1.b__0(String cacheKey) at WebSpinach13.Core.Utils.CacheWrapper.LazyGet[T](String key, CacheDependency dependency, Acquire`1 lazy) at WebSpinach13.Core.Utils.CacheWrapper.LazyGet[T](String key, Acquire`1 lazy) at WebSpinach13.Core.WebParts.BaseTemplateWebPart`1.ParseRazor()