Import texture files in AsyncTask crash

Development Pipeline & Plugins
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1

I wrote a simple plugin to demonstrate the problem.

void MyWidget::Construct(const FArguments& InArgs)
{
    this->ChildSlot
        [
            SNew(SVerticalBox)
                + SVerticalBox::Slot()
                [
                    SNew(SButton).OnClicked(this, &MyWidget::OnBtnClicked)
                ]
                + SVerticalBox::Slot()
                [
                   SNew(SButton).OnClicked(this, &MyWidget::OnBtnClickedDirect)
                ]
        ];
}

FReply MyWidget::OnBtnClicked()
{
    AsyncTask(ENamedThreads::GameThread, []() { ImportAsset(); });
    return FReply::Handled();
}

FReply MyWidget::OnBtnClickedDirect()
{
    ImportAsset();
    return FReply::Handled();
}

void MyWidget::ImportAsset()
{
    TArray<FString> importPaths;
    importPaths.Emplace("path_to_pictures_to_import");

    UAutomatedAssetImportData* ImportDataAuto = NewObject<UAutomatedAssetImportData>();
    ImportDataAuto->Filenames = importPaths;
    ImportDataAuto->bSkipReadOnly = false;
    ImportDataAuto->bReplaceExisting = true;
    ImportDataAuto->DestinationPath = "/Game/Test/Textures";

    IAssetTools& AssetTools = FModuleManager::GetModuleChecked<FAssetToolsModule>("AssetTools").Get();
    AssetTools.ImportAssetsAutomated(ImportDataAuto);
}

I create two buttons, one call the ImportAsset function directly, it’s ok. Another one call ImportAsset in AsyncTask, which will cause a crash.

Call ImportAssetsAutomated function to load images in AsyncTask seems to crash the editor. But use the same code to load fbx files is ok.

I found the problem in UE version 5.1 and above, 5.0 is ok.

I don’t know why, does anyone konw it? Thanks~