The Perfect Venue

System.InvalidOperationException: Sequence contains no matching element
   at Umbraco.Core.Cache.HttpRuntimeCacheProvider.GetCacheItem(String cacheKey, Func`1 getCacheItem, Nullable`1 timeout, Boolean isSliding, CacheItemPriority priority, CacheItemRemovedCallback removedCallback, CacheDependency dependency)
   at Umbraco.Core.Cache.HttpRuntimeCacheProvider.GetCacheItem(String cacheKey, Func`1 getCacheItem, Nullable`1 timeout, Boolean isSliding, CacheItemPriority priority, CacheItemRemovedCallback removedCallback, String[] dependentFiles)
   at Umbraco.Core.Cache.HttpRuntimeCacheProvider.GetCacheItem(String cacheKey, Func`1 getCacheItem)
   at Umbraco.Core.Cache.DeepCloneRuntimeCacheProvider.GetCacheItem(String cacheKey, Func`1 getCacheItem)
   at Umbraco.Core.Cache.CacheProviderExtensions.GetCacheItem[T](ICacheProvider provider, String cacheKey, Func`1 getCacheItem)
   at Umbraco.Web.Routing.UrlProvider.<>c__DisplayClass3.<GetUrl>b__0(IUrlProvider provider)
   at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
   at Umbraco.Web.Routing.UrlProvider.GetUrl(Int32 id, Uri current, UrlProviderMode mode)
   at Umbraco.Web.Templates.TemplateUtilities.ParseInternalLinks(String text)
   at ASP._Page_Views_Partials_grid_editors_rte_cshtml.Execute() in C:\inetpub\wwwroot\visitkent.co.uk\httpdocs_20171108\Views\Partials\grid\editors\rte.cshtml:line 6
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at ASP._Page_Views_Partials_grid_editors_base_cshtml.Execute() in C:\inetpub\wwwroot\visitkent.co.uk\httpdocs_20171108\Views\Partials\grid\editors\base.cshtml:line 19

Some of our venues

System.InvalidOperationException: Sequence contains no matching element
   at Umbraco.Core.Cache.HttpRuntimeCacheProvider.GetCacheItem(String cacheKey, Func`1 getCacheItem, Nullable`1 timeout, Boolean isSliding, CacheItemPriority priority, CacheItemRemovedCallback removedCallback, CacheDependency dependency)
   at Umbraco.Core.Cache.HttpRuntimeCacheProvider.GetCacheItem(String cacheKey, Func`1 getCacheItem, Nullable`1 timeout, Boolean isSliding, CacheItemPriority priority, CacheItemRemovedCallback removedCallback, String[] dependentFiles)
   at Umbraco.Core.Cache.HttpRuntimeCacheProvider.GetCacheItem(String cacheKey, Func`1 getCacheItem)
   at Umbraco.Core.Cache.DeepCloneRuntimeCacheProvider.GetCacheItem(String cacheKey, Func`1 getCacheItem)
   at Umbraco.Core.Cache.CacheProviderExtensions.GetCacheItem[T](ICacheProvider provider, String cacheKey, Func`1 getCacheItem)
   at Umbraco.Web.Routing.UrlProvider.<>c__DisplayClass3.<GetUrl>b__0(IUrlProvider provider)
   at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
   at Umbraco.Web.Routing.UrlProvider.GetUrl(Int32 id, Uri current, UrlProviderMode mode)
   at Umbraco.Web.Models.PublishedContentBase.get_Url()
   at ASP._Page_Views_Kent_Partials_Grid_Editors_DocTypeGridEditor_doctype_gridCustomGrid_cshtml.Execute() in C:\inetpub\wwwroot\visitkent.co.uk\httpdocs_20171108\Views\Kent\Partials\Grid\Editors\DocTypeGridEditor\doctype_gridCustomGrid.cshtml:line 34
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at ASP._Page_app_plugins_doctypegrideditor_render_doctypegrideditor_cshtml.Execute() in C:\inetpub\wwwroot\visitkent.co.uk\httpdocs_20171108\app_plugins\doctypegrideditor\render\doctypegrideditor.cshtml:line 28
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
   at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
   at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
   at Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer)
   at System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
   at ASP._Page_Views_Partials_grid_editors_base_cshtml.Execute() in C:\inetpub\wwwroot\visitkent.co.uk\httpdocs_20171108\Views\Partials\grid\editors\base.cshtml:line 19