[Flutter] _CastError (Null check operator used on a null value) even with a data validator -...

I'm working with Jikan API. Here I have a FutureBuilder that display some data :

FutureBuilder<am.AnimeModel>(
future: getAnimeById(widget.malId),
builder: (context, snapshot) {
if (snapshot.hasData) {
var data = snapshot.data!.data!; // <--- HERE ERROR
print(data.malId);

return AnimeDataCardWidget(
malId: data.malId,
pic: data.images!.jpg!.largeImageUrl,
title: data.title,
totalEpisode: data.episodes,
studios: data.studios![0].name != null
? data.studios![0].name
: '--',
originalManga: data.source,
frenchVersion: data.titles,
creationDate: data.airing,
futureData: getFavAnimesId(),
score: data.score,
);
} else {
return const Center(
child: CustomLoadingAnimation(),
);
}
}),


When the user tap on listTile, the app opens a detailed page, and this page displays a card (see code above). It works really fine but not with animes that don't have the 'studio' data.

As you can see, I check if (snapshot.hasData) but after that, it keep tells me that data is null.

Any idea how to resolve this ?

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