System.InvalidOperationException: Collection was modified; enumeration operation may not execute. at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) at System.Collections.Generic.List`1.Enumerator.MoveNextRare() at Atcom.Data.Caching.Dependencies.DependencyCollection.get_HasExpired() in c:\Builds\2\NetvolutionWCM\NetvolutionNet 4.0.40\src\netvolution.NET\Atcom.Data.Caching\Dependencies\DependencyCollection.cs:line 62 at Atcom.Data.Caching.AdvancedCache.Get(String key) in c:\Builds\2\NetvolutionWCM\NetvolutionNet 4.0.40\src\netvolution.NET\Atcom.Data.Caching\AdvancedCache.cs:line 45 at Atcom.Site.Modules.ExtendedControlBase.GetCachedContentXml() in c:\Users\papadopoulosf\Desktop\Atcom.Site.Modules v4\Atcom.Site.Modules\ExtendedControlBase.cs:line 845 at Atcom.Site.Modules.ExtendedControlBase.get_ContentXmlReader() in c:\Users\papadopoulosf\Desktop\Atcom.Site.Modules v4\Atcom.Site.Modules\ExtendedControlBase.cs:line 774 at Netvolution.Site.Modules.HtmlControlBase.CreateXmlReader(XslCompiledTransform xslct) in c:\Netvolution.NET\netvolutionNet 4.0.40\netvolution.NET\Netvolution\Site\Modules\HtmlControlBase.cs:line 1230 at Atcom.Site.Modules.ExtendedControlBase.GetTemplatedContent() in c:\Users\papadopoulosf\Desktop\Atcom.Site.Modules v4\Atcom.Site.Modules\ExtendedControlBase.cs:line 1244 at Atcom.Site.Modules.ExtendedControlBase.GetContent() in c:\Users\papadopoulosf\Desktop\Atcom.Site.Modules v4\Atcom.Site.Modules\ExtendedControlBase.cs:line 1198 at Atcom.Site.Modules.ExtendedControlBase.GetCachedContent() in c:\Users\papadopoulosf\Desktop\Atcom.Site.Modules v4\Atcom.Site.Modules\ExtendedControlBase.cs:line 1074