Can't use Add function on a TMap with a TDoubleLinkedList as its value

Unfortunately, when I call Add function, it’s throwing error immediately.

Maybe TMap seems not to add TDoubleLinkedList.
I couldn’t attempt to access double linked list, because I couldn’t have put it in TMap.

I can’t understand why TArray can but TDoubleLinkedList not.

Thanks for the reply :smiling_face_with_tear:

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