System.ArgumentOutOfRangeException: Index and length must refer to a location within the string. (Parameter 'length')
   at System.String.ThrowSubstringArgumentOutOfRange(Int32 startIndex, Int32 length)
   at System.String.Substring(Int32 startIndex, Int32 length)
   at Telerik.RadStringHelper.Replace(String inText, Int32 startIndex, Int32 length, String replacementString)
   at Telerik.Maui.Handlers.RadMaskedEntryHandler.OnShouldChangeCharactersEvent(Object sender, ShouldChangeCharactersEventArgs args)
   at Telerik.Maui.Platform.RadMauiEntry.OnShouldChangeCharacters(Object sender, ShouldChangeCharactersEventArgs args)
   at Telerik.Maui.Handlers.RadTextFieldDelegate.ShouldChangeCharacters(UITextField textField, NSRange range, String replacementString)