Cannot convert objects with ViewportFrames as descendants

[Citrecs]

Related to not being able to convert ViewportFrames, but ViewportFrames as a descendant cause the operation to fail.

11:47:39.817 - Plugin_906681627.QuentyClassConverter.Plugin.Converter:585: attempt to index local 'class' (a nil value) 11:47:39.817 - Stack Begin 11:47:39.818 - Script 'Plugin_906681627.QuentyClassConverter.Plugin.Converter', Line 585 - method GetDescendantPropertyMap 11:47:39.818 - Script 'Plugin_906681627.QuentyClassConverter.Plugin.Converter', Line 548 - method ChangeClass 11:47:39.818 - Script 'Plugin_906681627.QuentyClassConverter.Plugin.UI', Line 798 - method DoConversion 11:47:39.819 - Script 'Plugin_906681627.QuentyClassConverter.Plugin.UI', Line 669 11:47:39.819 - Stack End
11:50:01.439 - [Converter] - Bad class name 'ViewportFrame'