Hi gays. In my plugin, I unzipped a sketch file from local. I want to generate the layers whose class is symbolmaster, the I use MSJSONDictionaryUnarchiver.alloc.initForReadingFromDictionary() to get a MSJSONDictionaryUnarchiver。 It worked but when the symbolmaster's layers contains a object whose class is group, it crashed
[BCJSONDecoder containsFileAtSubpath:]: unrecognized selector sent to instance.
what should i do when the layer contains a object of group class?