Not possible to Drag'n Drop files

2018-11-21 08:29:58.736 zbug_dnd_mojave_mm[41743:177885] NSException caught
2018-11-21 08:29:58.736 zbug_dnd_mojave_mm[41743:177885] Name: NSGenericException
2018-11-21 08:29:58.736 zbug_dnd_mojave_mm[41743:177885] Reason: There are 2 items on the pasteboard, but 1 drag images. There must be 1 draggingItem per pasteboardItem.
QDragManager::drag in possibly invalid state
QDragManager::drag in possibly invalid state

#include <QtWidgets>


#import "Foundation/Foundation.h"

class TreeView : public QTreeView
{
    Q_OBJECT
public:
    void mousePressEvent(QMouseEvent *event) override
    {
        auto drag = new QDrag(this);
        auto *mimeData = new QMimeData();
        QList<QUrl> urlList = { QUrl(), QUrl() };
        mimeData->setUrls(urlList);
        drag->setMimeData(mimeData);
        try {
            drag->exec(Qt::CopyAction | Qt::MoveAction, Qt::CopyAction);
        } catch (NSException *exception) {
            NSLog( @"NSException caught" );
            NSLog( @"Name: %@", exception.name);
            NSLog( @"Reason: %@", exception.reason );
        }
    }
};



int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    auto view = new TreeView;

    view->setDragEnabled(true);
    view->show();

    return QApplication::exec();
}

#include "bug_dnd_mojave.moc" 

ld: warning: text-based stub file /System/Library/Frameworks//CoreGraphics.framework/Versions/A/CoreGraphics.tbd and library file /System/Library/Frameworks//CoreGraphics.framework/Versions/A/CoreGraphics are out of sync. Falling back to library file for linking. 

sudo mv /Library/Developer/CommandLineTools /Library/Developer/CommandLineTools.old
xcode-select --install
sudo rm -rf /Library/Developer/CommandLineTools.old