16cdf72e142c35ed31ef0a04b0579bed *mmw1998-06-13d2t01.shn c65a349e5e1fece8f54b6d934ac8cabe *mmw1998-06-13d2t02.shn b559a665b70afff247782226725f0995 *mmw1998-06-13d2t03.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned