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System.Exception: Exception while creating a value. ---> System.NullReferenceException: Object reference not set to an instance of an object. at Marsman.UmbracoCodeFirst.Core.CodeFirstModelContext.MoveNextContext(Object instance, CodeFirstRegistration registration, CodeFirstModelContext parentContext) at Marsman.UmbracoCodeFirst.Converters.AutoDataTypeConverter`2.Create(Tdb input, Action`1 registerContext) at Marsman.UmbracoCodeFirst.Converters.DataTypeConverterBase`2.Create(Object input, Action`1 registerContext) at Marsman.UmbracoCodeFirst.Core.Modules.ContentModelModuleBase`3.SetPropertyValueOnModel(Object objectInstance, PropertyRegistration registration, Object umbracoStoredValue) at Marsman.UmbracoCodeFirst.Core.Modules.ContentModelModuleBase`3.CopyPropertyValueToModel(IPublishedContent content, Object objectInstance, PropertyRegistration registration) at Marsman.UmbracoCodeFirst.Core.Modules.ContentModelModuleBase`3.CreateInstanceFromPublishedContent(IPublishedContent content, ContentTypeRegistration registration, CodeFirstModelContext parentContext) at Marsman.UmbracoCodeFirst.Core.Modules.ContentModelModuleBase`3.ConvertToModelInternal[Tmodel](IPublishedContent content, CodeFirstModelContext parentContext) at ASP._Page_Views_Partials_Promos__PromoContentBlock2_cshtml.Execute() in C:\home\site\wwwroot\Views\Partials\Promos\_PromoContentBlock2.cshtml:line 9 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 Umbraco.Core.Cache.CacheProviderExtensions.<>c__DisplayClass0_0`1.<GetCacheItem>b__0() at Umbraco.Core.Cache.DictionaryCacheProviderBase.<>c__DisplayClass10_0.<GetSafeLazy>b__0() --- End of inner exception stack trace --- at Umbraco.Core.Cache.HttpRuntimeCacheProvider.GetCacheItemInternal(String cacheKey, Func`1 getCacheItem, Nullable`1 timeout, Boolean isSliding, CacheItemPriority priority, CacheItemRemovedCallback removedCallback, Func`1 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.DeepCloneRuntimeCacheProvider.GetCacheItem(String cacheKey, Func`1 getCacheItem, Nullable`1 timeout, Boolean isSliding, CacheItemPriority priority, CacheItemRemovedCallback removedCallback, String[] dependentFiles) at Umbraco.Web.CacheHelperExtensions.CachedPartialView(CacheHelper cacheHelper, HtmlHelper htmlHelper, String partialViewName, Object model, Int32 cachedSeconds, String cacheKey, ViewDataDictionary viewData) at Umbraco.Web.HtmlHelperRenderExtensions.CachedPartial(HtmlHelper htmlHelper, String partialViewName, Object model, Int32 cachedSeconds, Boolean cacheByPage, Boolean cacheByMember, ViewDataDictionary viewData, Func`3 contextualKeyBuilder) at RSM.Web.Extensions.HtmlHelperExtensions.CachedPartialByViewData(HtmlHelper helper, String partialViewName, Object inputModel, ViewDataDictionary viewData) in D:\a\1\s\src\RSM.Web\Extensions\HtmlHelperExtensions.cs:line 190 at ASP._Page_views_partials_grid_editors_promoblocks_cshtml.Execute() in C:\home\site\wwwroot\views\partials\grid\editors\promoblocks.cshtml:line 85 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:\home\site\wwwroot\Views\Partials\grid\editors\base.cshtml:line 20
The RSM is home to one of the largest and most up-to-date medical libraries in Europe.
The RSM offers one of the most extensive programmes of healthcare education in the UK. Find your next event.
The RSM has produced podcasts series focusing on the latest topics in healthcare. Download and listen on the go.
For working doctors and consultants (FY1 to ST8), retired doctors, and those holding senior management positions in medicine or healthcare.
For scientists and other professionals with a proven interest (or role) in the healthcare sector, but who do not hold a medical qualification.
For those studying medicine, dentistry or another healthcare-related subject, who are on their way to becoming a qualified medical or healthcare professional.