4aa4d3d4a107373741895f7ce6cb3d4a *dtb2002-07-17d2t01.shn 43d5f80a8495c53de42edfc3cf6903be *dtb2002-07-17d2t02.shn c6839566fb1c7633fa4ebdfbb39af7c4 *dtb2002-07-17d2t03.shn 6ce77446003bd2dc33998bf0bec08724 *dtb2002-07-17d2t04.shn fc85e2a9070a7adf20e3fe675fc35fb8 *dtb2002-07-17d2t05.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned