Error while rendering the view [Default] Please, make sure the rendering is configured properly or contact your administrator.

• System.InvalidOperationException: Error while rendering view: '/Views/SxaLayout/SxaLayoutPageSpeed.cshtml' (model: 'Sitecore.Mvc.Presentation.RenderingModel, Sitecore.Mvc').
• ---> System.ArgumentNullException: Value cannot be null.
• Parameter name: input
• at System.Text.RegularExpressions.Regex.Replace(String input, String replacement)
• at System.Text.RegularExpressions.Regex.Replace(String input, String pattern, String replacement, RegexOptions options)
• at Sitecore.Foundation.Speedy.Speedy.SpeedyAssetLinksGenerator.GetSpeedyLayoutModel()
• at ASP._Page_Views_SxaLayout_SxaLayoutPageSpeed_cshtml.Execute() in c:\home\site\wwwroot\Views\SxaLayout\SxaLayoutPageSpeed.cshtml:line 22
• 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 System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData)
• at Sitecore.Mvc.Presentation.ViewRenderer.Render(TextWriter writer)
• --- End of inner exception stack trace ---
• at Sitecore.Mvc.Presentation.ViewRenderer.Render(TextWriter writer)
• at Sitecore.Mvc.Pipelines.Response.RenderRendering.ExecuteRenderer.Render(Renderer renderer, TextWriter writer, RenderRenderingArgs args)
• at Sitecore.Mvc.Pipelines.Response.RenderRendering.ExecuteRenderer.Process(RenderRenderingArgs args)
• at HL.Foundation.ExceptionHandling.ExceptionHandlining.GetExceptionSafeViewRenderer.Process(RenderRenderingArgs args)