871eccd9238f5960608a70e4480f6a3e *kdtu2002-08-20t01.shn a49ec1b9fbf820b3c2821cdc97ab0d31 *kdtu2002-08-20t02.shn abdc5469c72d5dce39c65a19d0a4df04 *kdtu2002-08-20t03.shn 2852c787a8d840e03d9eeca15e8aece3 *kdtu2002-08-20t04.shn dee5951518e3d50b30940a1d3cef181c *kdtu2002-08-20t05.shn App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned