709726d1fb9973f935cbbbf0edf2817c *kw2002-10-12d3t04.shn 3ac18d116a9cfad21e10c9a6ebe88ce2 *kw2002-10-12d3t02.shn 10942bc110d712d8d4b65525381db779 *kw2002-10-12d3t03.shn 09beac02134e1c92fc8fc7eb4bc56d77 *kw2002-10-12d3t01.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned