Error executing template "/Designs/Swift-v2/Grid/Page/RowTemplates/Swift-v2_Row.cshtml"
System.NullReferenceException: Object reference not set to an instance of an object.
   at CompiledRazorTemplates.Dynamic.RazorEngine_5fc79f6aac9446dc83531556dfd98058.ExecuteAsync()
   at RazorEngine.Templating.TemplateBase.Run(ExecuteContext context, TextWriter reader)
   at RazorEngine.Templating.RazorEngineCore.RunTemplate(ICompiledTemplate template, TextWriter writer, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.DynamicWrapperService.Run(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass23_0.<Run>b__0(TextWriter writer)
   at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   at RazorEngine.Templating.RazorEngineServiceExtensions.Run(IRazorEngineService service, String name, Type modelType, Object model, DynamicViewBag viewBag)
   at Dynamicweb.Rendering.RazorTemplateRenderingProvider.Render(Template template)
   at Dynamicweb.Rendering.TemplateRenderingService.Render(Template template)
   at Dynamicweb.Rendering.Template.RenderRazorTemplate()


  1     @inherits Dynamicweb.Rendering.ViewModelTemplate<Dynamicweb.Frontend.GridRowViewModel>
@using Dynamicweb.Frontend
@using System.IO
@{
	bool haveVideo = false;
	if (!string.IsNullOrEmpty(Model.Item.GetString("Video"))){
		if (Model.Item.GetString("Video") != "{}"){
    		haveVideo = true;
        }
	}
}
@{
    string backgroundString = "";
    bool hasGradient = Model.Item.GetBoolean("BackgroundMask");
    string gradientType = Model.Item.GetString("GradientType");
    string angle = Model.Item.GetString("GradientAngle"); 
    string radialType = Model.Item.GetString("GradientTypeRadial"); 
    string color1 = Model.Item.GetString("Color");
    string color2 = Model.Item.GetString("Color2");
    string color3 = Model.Item.GetString("Color3");
    string opacity1 = Model.Item.GetString("Opacity");
    string opacity2 = Model.Item.GetString("Opacity2");
    string opacity3 = Model.Item.GetString("Opacity3");
    int gapSize = Model.Item.GetInt32("GapSize");
    int gap = (Model?.GapX != 0 && gapSize != 0) ? gapSize : (Model?.GapX ?? 3);
    string imageLink = Model?.BackgroundImage?.ToString();
    bool paralax = Model.Item?.GetBoolean("ParalexBackground") ?? false;
    Func<string, string, string> hexToRgba = (hex, opacity) =>
    {
        if (string.IsNullOrWhiteSpace(hex)) return "";
        var color = System.Drawing.ColorTranslator.FromHtml(hex);
        var safeOpacity = string.IsNullOrWhiteSpace(opacity) ? "1" : opacity.Replace(",", ".");
        return $"rgba({color.R}, {color.G}, {color.B}, {safeOpacity})";
    };
    if (hasGradient)
    {
        var stops = new List<string>();
        bool hasColor1 = !string.IsNullOrWhiteSpace(color1);
        bool hasColor2 = !string.IsNullOrWhiteSpace(color2);
        bool hasColor3 = !string.IsNullOrWhiteSpace(color3);
        if (hasColor1)
            stops.Add($"{hexToRgba(color1, opacity1)} 0%");
        if (hasColor2)
            stops.Add($"{hexToRgba(color2, opacity2)} 50%");
        if (hasColor3)
            stops.Add($"{hexToRgba(color3, opacity3)} 100%");
        if (stops.Count == 1)
            stops.Add($"{hexToRgba(color1, opacity1)} 100%");
        if (gradientType == "linear-gradient")
        {
            backgroundString = $"linear-gradient({angle}deg, {string.Join(", ", stops)})";
        }
        else if (gradientType == "radial-gradient")
        {
            var radial = string.IsNullOrWhiteSpace(radialType) ? "circle" : radialType;
            backgroundString = $"radial-gradient({radial}, {string.Join(", ", stops)})";
        }
    }
    var finalBackgroundStyle = "";
    var finalMobileBackgroundStyle = "";
	string paralaxImage = "";
	if (paralax){
		paralaxImage = " background-parallax";
	}
    if (!string.IsNullOrWhiteSpace(imageLink))
    {
        string imageStyle = $"url('/admin/public/GetImage.ashx?width=1680&format=WebP&image={imageLink}')";
        string imageStyleMobile = $"url('/admin/public/GetImage.ashx?width=1080&Ratio=3/4&format=WebP&image={imageLink}')";
        if (!string.IsNullOrWhiteSpace(backgroundString))
        {
            finalBackgroundStyle = $"background: {backgroundString}, {imageStyle}; background-size: cover;";
            finalMobileBackgroundStyle = $"background: {backgroundString}, {imageStyleMobile}; background-size: cover;";
        }
        else
        {
            finalBackgroundStyle = $"background-image: {imageStyle}; background-size: cover;";
            finalMobileBackgroundStyle = $"background-image: {imageStyleMobile}; background-size: cover;";
        }
        if (paralax)
        {
            finalBackgroundStyle += " background-attachment: fixed; background-position: center;";
            finalMobileBackgroundStyle += " background-attachment: fixed; background-position: center;";
        }
    }
    else if (!string.IsNullOrWhiteSpace(backgroundString))
    {
        finalBackgroundStyle = $"background: {backgroundString}; --dw-row-background: {backgroundString};";
        finalMobileBackgroundStyle = $"background: {backgroundString};";
    }
}
<section 
	class="@(paralaxImage) @(Model.Item.GetString("Custom_Class"))"
	data-swift-gridrow 
	style="@(finalBackgroundStyle)"  
	data-dw-colorscheme="@Model?.ColorScheme?.Id" 
	data-dw-itemtype="@Model?.Item?.SystemName.ToLower()" 
	data-dw-row-space-top="@(Model?.TopSpacing ?? 6)" 
	data-dw-row-space-bottom="@(Model?.BottomSpacing ?? 6)" 
	data-dw-row-gap-column="@(gap)"
	data-dw-row-gap-row="@(gap)"
	data-dw-row-vertical-align="@(Model?.VerticalAlignment)"
	data-dw-custom-havevideo="@(haveVideo)"
	data-dw-custom-paralexbackground="@Model.Item?.GetBoolean("ParalexBackground")"
    data-dw-custom-gradient="@(hasGradient)"
    >
    @if (paralax){
			<div class="parallax-image-safari" style="@(finalMobileBackgroundStyle)" ></div>
	}
	<div data-swift-container class="grid" data-dw-container-width="@(Model?.ContainerWidth ?? 3)">
		@foreach(var column in Model.Columns)
		{
            string customClass = Model.Item.GetString("CustomClassColumn" + column.ColumnNumber) ?? string.Empty;
			<div data-swift-gridcolumn class="g-col-@column.ColumnWidthMobile g-col-lg-@column.ColumnWidth order-@column.ColumnNumberMobile order-lg-@column.ColumnNumber @(customClass)" data-dw-itemtype="@column.Paragraph?.Item?.SystemName.ToLower()" id="@column.Paragraph?.ID" data-dw-colorscheme="@column.Paragraph?.ColorScheme?.Id">
				@column.Output()
			</div>
		}
	</div>
		@if(Model.Item.TryGetVideo("Video", out VideoViewModel video)) {
		<figure class="position-absolute top-0 bottom-0 end-0 start-0 m-0 pe-none ratio overflow-hidden" itemscope itemtype="https://schema.org/VideoObject">	
			@if (video.IsExternalLink())
			{
				<iframe src="@(video.ToEmbedUrl())?autoplay=1&controls=0&showinfo=0&rel=0&mute=1&muted=1&loop=1&autopause=0&background=0" class="object-fit-cover" title="@video.Name" frameborder="0" allow="fullscreen; autoplay;encrypted-media;"></iframe>
			}
			else
			{
				<video preload="auto" loop autoplay muted playsinline class="object-fit-cover">
					<source playsinline src="@(video.Path)" type="video/@Path.GetExtension(video.Path).ToLower().Replace(".", string.Empty)">
				</video>
			}
		</figure>
	}
</section>