Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index

Server Version : 1.3.0.96

Studio Version : 1.3.0.96

Email Address : No Email Provided

Steps to follow : No Steps Provided

at System.ThrowHelper.ThrowArgumentOutOfRangeException()
at System.Activities.Presentation.Model.ModelItemCollectionImpl.get_Item(Int32 index)
at Dev2.Activities.Designers2.Core.ActivityCollectionDesignerViewModel`1.GetDto(Int32 indexNumber)
at Dev2.Activities.Designers2.Core.ActivityCollectionDesignerViewModel`1.RemoveAt(Int32 indexNumber)
at Dev2.Activities.Designers2.Core.ActivityCollectionDesigner`1.DeleteDataGridRow(Object sender, RoutedEventArgs e)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
at System.Windows.Controls.MenuItem.InvokeClickAfterRender(Object arg)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)