Tijdelijke bandenactie bij Ames. Geldig op alle modellen!

Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation.CompilationFailedException: One or more compilation failures occurred:
log2yymx.ykp(73,16): error CS0246: The type or namespace name 'IContentProvider' could not be found (are you missing a using directive or an assembly reference?)
   at Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation.RuntimeViewCompiler.CompileAndEmit(RazorCodeDocument codeDocument, String generatedCode)
   at Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation.RuntimeViewCompiler.CompileAndEmit(String relativePath)
   at Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation.RuntimeViewCompiler.OnCacheMiss(String normalizedPath)
--- End of stack trace from previous location ---
   at Microsoft.AspNetCore.Mvc.Razor.RazorViewEngine.CreateCacheResult(HashSet`1 expirationTokens, String relativePath, Boolean isMainPage)
   at Microsoft.AspNetCore.Mvc.Razor.RazorViewEngine.LocatePageFromPath(String executingFilePath, String pagePath, Boolean isMainPage)
   at Umbraco.Cms.Web.Website.ViewEngines.ProfilingViewEngine.GetView(String executingFilePath, String viewPath, Boolean isMainPage)
   at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.RenderPartialCoreAsync(String partialViewName, Object model, ViewDataDictionary viewData, TextWriter writer)
   at Microsoft.AspNetCore.Mvc.ViewFeatures.HtmlHelper.PartialAsync(String partialViewName, Object model, ViewDataDictionary viewData)
   at AspNetCore.Views_Partials_grid_editors_base.ExecuteAsync() in D:\Inetpub\Production\AmegaContent-Ames\Views\Partials\grid\editors\base.cshtml:line 6