Server Error in '/' Application.

Collection was modified; enumeration operation may not execute.

Description: An unhandled exception occurred.

Exception Details: System.InvalidOperationException: Collection was modified; enumeration operation may not execute.

Source Error:


Line 2:  @using Website.Areas.ATCC.Models.Labels
Line 3:  @{
Line 4:      var labels = LabelRepository.GetLabelsForView<ProductsCompareModalLabels>();
Line 5:  }
Line 6:  <div class="generic-modal modal-product-compare" id="modal-product-compare" aria-hidden="true">

Source File: C:\home\site\wwwroot\Areas\ATCC\Views\Modals\ProductsCompareModal.cshtml    Line: 4

Stack Trace:


[InvalidOperationException: Collection was modified; enumeration operation may not execute.]
   System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) +59
   System.Collections.Generic.Enumerator.MoveNextRare() +45
   Constellation.Foundation.ModelMapping.ModelBuilder.MapItemFieldsFromPlan(Item item, Object model, MappingPlan plan) +2361
   Constellation.Foundation.ModelMapping.ModelBuilder.MapItemToModel(Item item, Object model) +479
   Constellation.Foundation.ModelMapping.ModelMapper.MapItemToNew(Item item) +81
   Feature.Labels.LabelRepository.GetLabels(Database database, Language language) in F:\BuildAgent\agent\_work\1\s\Feature.Labels\LabelRepository.cs:93

[Exception: LabelAttribute on ProductsCompareModalLabels does not have a DatasourceID defined! Database: web Language: en DatasourceID: {2CAA2096-F5FD-4C72-ACE3-C1C560EA77AE}]
   Feature.Labels.LabelRepository.GetLabels(Database database, Language language) in F:\BuildAgent\agent\_work\1\s\Feature.Labels\LabelRepository.cs:98
   ASP._Page_Areas_ATCC_Views_Modals_ProductsCompareModal_cshtml.Execute() in C:\home\site\wwwroot\Areas\ATCC\Views\Modals\ProductsCompareModal.cshtml:4
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +148
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +122
   System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) +136
   ASP._Page_Areas_ATCC_Views_Rows_Coveo_ProductCategoryListing_cshtml.Execute() in C:\home\site\wwwroot\Areas\ATCC\Views\Rows\Coveo\ProductCategoryListing.cshtml:74
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +148
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +107
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +378
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +91
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +793
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +793
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +640


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0