this is caused by this change in MAUI
https://github.com/dotnet/maui/pull/12346at Microsoft.Maui.Controls.ImmutableBrush.OnParentChangingCore(Element oldParent, Element newParent)
at Microsoft.Maui.Controls.Element.set_Parent(Element value)
at Telerik.Maui.Controls.RadEntry.OnBorderBrushPropertyChanged(Object newValue)
at Telerik.Maui.Controls.RadEntry.<>c.<.cctor>b__15_5(BindableObject b, Object o, Object n)
at Microsoft.Maui.Controls.BindableObject.SetValueCore(BindableProperty property, Object value, SetValueFlags attributes, SetValuePrivateFlags privateAttributes)
at Microsoft.Maui.Controls.BindableObject.SetValue(BindableProperty property, Object value, Boolean fromStyle, Boolean checkAccess)
at Microsoft.Maui.Controls.Setter.Apply(BindableObject target, Boolean fromStyle)
at Microsoft.Maui.Controls.Style.ApplyCore(BindableObject bindable, Style basedOn)
at Microsoft.Maui.Controls.Style.Microsoft.Maui.Controls.IStyle.Apply(BindableObject bindable)
at Microsoft.Maui.Controls.MergedStyle.set_Style(IStyle value)
at Microsoft.Maui.Controls.BindableObject.SetValueCore(BindableProperty property, Object value, SetValueFlags attributes, SetValuePrivateFlags privateAttributes)
at Microsoft.Maui.Controls.BindingExpression.ApplyCore(Object sourceObject, BindableObject target, BindableProperty property, Boolean fromTarget)
at Microsoft.Maui.Controls.BindingExpression.Apply(Object sourceObject, BindableObject target, BindableProperty property)
at Microsoft.Maui.Controls.Binding.<ApplyRelativeSourceBinding>d__27.MoveNext()
at System.Threading.Tasks.Task.<>c.<ThrowAsync>b__128_0(Object state)
at Microsoft.UI.Dispatching.DispatcherQueueSynchronizationContext.<>c__DisplayClass2_0.<Post>b__0()