dc3505d46a93c29bb255b1eaf1a78931 *gd81-12-02d2t04.shn 91d1d32223a54b3382154533d21aebf7 *gd81-12-02d2t02.shn a1eecbc31df00936bc9f1b75cf8e1155 *gd81-12-02d2t03.shn 37e43bb99eb469fe7a5779ce707f68be *gd81-12-02d2t01.shn cef29c62a988ef70278decf59f43d564 *gd81-12-02d2t05.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned