Spherical joint

Error executing template "/Designs/Swift/Paragraph/CustomGroupNavigation.cshtml"
System.ArgumentException: An item with the same key has already been added.
   at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
   at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add)
   at Dynamicweb.Ecommerce.Products.GroupRelation.GetGroupRelationsByChildId(String childId)
   at Dynamicweb.Ecommerce.Products.Group.get_IsTopGroup()
   at Dynamicweb.Ecommerce.Shops.Shop.GetTopLevelGroups(String languageId)
   at Dynamicweb.Ecommerce.Frontend.Navigation.GroupNavigationTreeNodeProvider.GetGroupsBySettings(PageNavigationSettings ecomSettings)
   at Dynamicweb.Ecommerce.Frontend.Navigation.GroupNavigationTreeNodeProvider.GetGroups(NavigationTreeNode parent, Page page)
   at Dynamicweb.Ecommerce.Frontend.Navigation.GroupNavigationTreeNodeProvider.GetNodes(NavigationContext context, NavigationSettings settings, NavigationTreeNode parent)
   at System.Linq.Enumerable.<SelectManyIterator>d__17`2.MoveNext()
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.Count[TSource](IEnumerable`1 source)
   at CompiledRazorTemplates.Dynamic.RazorEngine_98b016bc70a94e22ae1f9a90e6126f64.Execute() in D:\dynamicweb.net\Solutions\brdklee.cloud.dynamicweb-cms.com\files\Templates\Designs\Swift\Paragraph\CustomGroupNavigation.cshtml:line 16
   at RazorEngine.Templating.TemplateBase.RazorEngine.Templating.ITemplate.Run(ExecuteContext context, TextWriter reader)
   at RazorEngine.Templating.RazorEngineService.RunCompile(ITemplateKey key, TextWriter writer, Type modelType, Object model, DynamicViewBag viewBag)
   at RazorEngine.Templating.RazorEngineServiceExtensions.<>c__DisplayClass16_0.<RunCompile>b__0(TextWriter writer)
   at RazorEngine.Templating.RazorEngineServiceExtensions.WithWriter(Action`1 withWriter)
   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.ParagraphViewModel>
  2     @using Dynamicweb.Rendering
  3     @using Dynamicweb.Frontend.Navigation
  4     @using Dynamicweb.Ecommerce.Products
  5     @using Dynamicweb.Ecommerce.ProductCatalog
  6     @using System.IO
  7     <link href="/Files/Templates/Designs/Swift/Assets/css/custom-group-navigation.css" rel="stylesheet" />
  8     @{
  9     	var navigationSettings = new NavigationSettings();
 10     	navigationSettings.StartLevel = 2;
 11     	navigationSettings.Parameters.Add("menu-id", "product-group-list");
 12     
 13     	var navigationViewModel = Navigation.GetNavigationViewModel(navigationSettings);
 14     }
 15     
 16     @if (navigationViewModel.Nodes.Count() > 0)
 17     {
 18     	if (Pageview.IsVisualEditorMode)
 19     	{
 20     		<div class="alert alert-dark m-0" role="alert">
 21     			<span><i class="fas fa-info-circle mr-3"></i></span> <span>@Translate("Group list: The selected groups will be shown here, if any")</span>
 22     		</div>
 23     	}
 24     	else
 25     	{
 26     		@GetNodes(navigationViewModel.Nodes)
 27     	}
 28     }
 29     else if (Pageview.IsVisualEditorMode)
 30     {
 31     	<div class="alert alert-dark m-0" role="alert">
 32     		<span><i class="fas fa-info-circle mr-3"></i></span> <span>@Translate("Group list: The selected groups will be shown here, if any")</span>
 33     	</div>
 34     }
 35     
 36     @helper GetNodes(IEnumerable<Dynamicweb.Frontend.Navigation.NavigationTreeNodeViewModel> nodes)
 37     {
 38     	foreach (var node in nodes)
 39     	{
 40     		if (node.IsActive)
 41     		{
 42     			if (node.Nodes.Count() > 0)
 43     			{
 44     				@RenderNodes(node.Nodes)
 45     			}
 46     		}
 47     		else
 48     		{
 49     			if (node.Nodes.Count() > 0)
 50     			{
 51     				@GetNodes(node.Nodes)
 52     			}
 53     		}
 54     	}
 55     }
 56     
 57     @helper RenderNodes(IEnumerable<Dynamicweb.Frontend.Navigation.NavigationTreeNodeViewModel> nodes)
 58     {
 59     
 60     
 61     	int groupsCount = 0;
 62     
 63     	foreach (var node in nodes)
 64     	{
 65     		IList<FieldValueViewModel> groupFields = node.GetProductGroup().GroupFields;
 66     
 67     		if (groupFields != null)
 68     		{
 69     			foreach (FieldValueViewModel field in groupFields)
 70     			{
 71     				if (field.SystemName == "SelectedGroup" && !string.IsNullOrEmpty(field.Value.ToString()))
 72     				{
 73     					if (Convert.ToBoolean(field.Value.ToString()))
 74     					{
 75     						groupsCount++;
 76     					}
 77     				}
 78     			}
 79     		}
 80     	}
 81     
 82     	if (groupsCount != 0)
 83     	{
 84     
 85     		<div class="container py-4 flex-container">
 86     			<div class="row">
 87     				@foreach (var node in nodes)
 88     				{
 89     					string groupImage = "";
 90     					var group = Dynamicweb.Ecommerce.Services.ProductGroups.GetGroup(node.GroupId);
 91     					IList<FieldValueViewModel> groupFields = node.GetProductGroup().GroupFields;
 92     
 93     					if (!string.IsNullOrEmpty(node.GroupId))
 94     					{
 95     						groupImage = !string.IsNullOrEmpty(group.SmallImage) ? "/Files" + group.SmallImage : groupImage;
 96     					}
 97     
 98     					bool showGroup = false;
 99     
100     					if (groupFields != null)
101     					{
102     						foreach (FieldValueViewModel field in groupFields)
103     						{
104     							if (field.SystemName == "SelectedGroup" && !string.IsNullOrEmpty(field.Value.ToString()))
105     							{
106     								if (Convert.ToBoolean(field.Value.ToString()))
107     								{
108     									showGroup = true;
109     								}
110     							}
111     						}
112     					}
113     
114     					if (showGroup)
115     					{
116     				<div class="col-2 p-2 d-flex flex-column justify-content-start flex-item">
117     					<a href="@node.Link" tabindex="-1" class="text-decoration-none" style="display:contents">
118     						@if (!string.IsNullOrWhiteSpace(groupImage))
119     						{
120     					<div class="wrapper-img">
121     						<img src="/Admin/Public/GetImage.ashx?image=@groupImage&width=230&height=230&crop=5&format=webp" class="image-style lazy" />
122     					</div>
123     						}
124     						else
125     						{
126     						<div class="no-image">
127     							<img loading="lazy" src="/Admin/Public/GetImage.ashx?image=Files/Images/missing_image.jpg&width=280&height=280&crop=5" style="object-fit: contain" alt="@node.Name">
128     						</div>
129     						}
130     						<div class="px-2 mt-auto">
131     							<span class="px-2 fs-7">
132     								@node.Name
133     							</span>
134     							<div>
135     								<span class="opacity-50 fs-7">(@group.Products.Count())</span>
136     							</div>
137     						</div>
138     					</a>
139     			</div>
140     				}
141     			}
142     				
143     			</div>
144     		</div>
145     		}
146     }
147     
148     
149